Free Programming Books Pdf

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Language Agnostic
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Prolog
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This is not your usual programming book. Matlab 2018a for mac download. I have checked the contents of C and Python book, and I can say these are quality books. The Python® Notes for Professionals book is compiled from Stack Overflow Documentation, the content is written by the beautiful people at Stack Overflow. Jun 01, 2018 Another free PDF website to grab eBooks and textbooks is BookBoon.com. Users can download over 50 million PDFs from the site. Meanwhile, it is currently the world’s largest online publishing company of eBooks that focuses on short and practical books, IT. Aug 06, 2018 The C Programming Language Pdf Features: Here is a list of all the features which are included in this book. This book is the oldest and most trusted book for the students of programming which got its first edition in 1978. “Introduction to Programming for Image Analysis with VTK 2nd Edition” is an edited and expanded collection of class notes that we wrote for the graduate seminar “Programming for Medical Image Analysis” (ENAS 920a) that was taught at Yale University, Department of Biomedical Engineering, in the Spring of 2009.

atariarchives.org atariarchives.org makes books, information, and software for Atari and other classic computers available on the Web.
Bookboon: IT & Programming Cookie required. (email address requested, not required)
Goalkicker - Programming Notes for Professionals books
Programming - Wikibooks

Graphics Programming

Blender 3D: Noob to Pro - Wikibooks
Computer Graphics from scratch - Gabriel Gambetta (🚧in process)
DirectX manual (draft)
Graphics Programming Black Book - Michael Abrash
Learn OpenGL - Joey de Vries
Learning Modern 3D Graphics Programming - Jason L. McKesson (draft)
OpenGL - Concepts and illustrations.
ShaderX series - Wolfgang Engel
WebGL Insights - Patrick Cozzi and Contributors

Graphical User Interfaces

Search User Interfaces - Marti A. Hearst
The GLib/GTK+ Development Platform - Sébastien Wilmet (PDF)

GraphQL

Language Agnostic

Algorithms & Data Structures

A Field Guide To Genetic Programming - Riccardo Poli et al.
Algorithms - Wikibooks
Algorithms, 4th Edition - Robert Sedgewick and Kevin Wayne
Algorithms and Automatic Computing Machines (1963) - B. A. Trakhtenbrot
Algorithms and Complexity - Herbert S. Wilf (PDF)
Algorithms Course Materials - Jeff Erickson
Analysis and Design of Algorithms - Sandeep Sen, IIT Delhi
Animated Algorithm and Data Structure Visualization (Resource)
Annotated Algorithms in Python: Applications in Physics, Biology, and Finance - Massimo di Pierro
Binary Trees (PDF)
Clever Algorithms - Jason Brownlee
Data Structures - Prof. Subhashis Banerjee, IIT Delhi
Data Structures (Into Java) - Paul N. Hilfinger (PDF)
Data Structures and Algorithms: Annotated Reference with Examples - G. Barnett and L. Del Tongo (PDF)
Data Structures Succinctly Part 1, Syncfusion (PDF, Kindle) (email address requested, not required)
Data Structures Succinctly Part 2, Syncfusion (PDF, Kindle) (email address requested, not required)
Elementary Algorithms - Larry LIU Xinyu
Foundations of Computer Science - Al Aho and Jeff Ullman
Geometry Algorithms - Dan Sunday
Lectures Notes on Algorithm Analysis and Computational Complexity (Fourth Edition) - Ian Parberry (use form at bottom of license)
LEDA: A Platform for Combinatorial and Geometric Computing - K. Mehlhorn et al.
Linked List Basics (PDF)
Linked List Problems (PDF)
Matters Computational: Ideas, Algorithms, Source Code (PDF)
Open Data Structures: An Introduction - Pat Morin
Problems on Algorithms (Second Edition) - Ian Parberry (use form at bottom of license)
Purely Functional Data Structures (1996) - Chris Okasaki (PDF)
Text Algorithms (PDF)
The Art of Computer Programming - Donald Knuth (fascicles, mostly volume 4)
The Design of Approximation Algorithms (PDF)
The Great Tree List Recursion Problem (PDF)
Think Complexity (PDF)

Cellular Automata

A New Kind of Science - Stephen Wolfram

Cloud Computing

Azure Functions Succinctly, Syncfusion (PDF, Kindle) (email address requested, not required)
Designing Distributed Systems(account required)
Learn Azure in a Month of Lunches - Iain Foulds (PDF)
Monitoring Modern Infrastructure(account required)
Streamline microservice management with Istio Service Mesh(account required)

Competitive Programming

Competitive Programmer's Handbook - Antti Laaksonen (PDF)
Competitive Programming, 1st Edition (PDF)

Compiler Design

An Introduction to GCC - Brian Gough
Basics of Compiler Design (Anniversary Edition) - Torben Mogensen
Compiler Construction (PDF)
Compiler Design in C (1990) - Allen Holub, Prentice Hall
Compiler Design: Theory, Tools, and Examples, C/C++ Edition - Seth D. Bergmann
Compiler Design: Theory, Tools, and Examples, Java Edition - Seth D. Bergmann
Compiling Scala for the Java Virtual Machine - Michel Schinz (PDF)
Compiling Techniques (1969) - F.R.A. Hopgood, Macdonald
Crafting Interpreters (🚧) - Bob Nystrom (HTML)
Implementing Functional Languages: A Tutorial - Simon Peyton Jones, David Lester
Let's Build a Compiler (PDF)
Practical and Theoretical Aspects of Compiler Construction (class lectures and slides)

Computer Science

Computer Science I - Draft - Dr. Chris Bourke (PDF) (🚧in process)
Computer Science II - Draft - Dr. Chris Bourke (PDF) (🚧in process)

Computer Vision

Computer Vision - Dana Ballard, Chris Brown
Computer Vision: Algorithms and Applications - Richard Szeliski
Computer Vision: Models, Learning, and Inference - Simon J.D. Prince
Programming Computer Vision with Python - Jan Erik Solem

Database

Database Explorations (PDF)
Database Fundamentals (PDF)
Databases, Types, and The Relational Model: The Third Manifesto (PDF)
Temporal Database Management - Christian S. Jensen

Datamining

A Programmer's Guide to Data Mining - Ron Zacharski (Draft)
Data Jujitsu: The Art of Turning Data into Product (email address requested, not required)
Data Mining Algorithms In R - Wikibooks
Internet Advertising: An Interplay among Advertisers, Online Publishers, Ad Exchanges and Web Users (PDF)
Introduction to Data Science - Jeffrey Stanton

Information Retrieval

Information Retrieval: A Survey (PDF)

Licensing

Creative Commons: a user guide - Simone Aliprandi
Open Source Licensing Software Freedom and Intellectual Property Law - Lawrence Rosen
The Public Domain: Enclosing the Commons of the Mind - James Boyle

Machine Learning

A Brief Introduction to Machine Learning for Engineers - Osvaldo Simeone (PDF)
A Course in Machine Learning (PDF)
A First Encounter with Machine Learning (PDF)
An Introduction to Statistical Learning - Gareth James, Daniela Witten, Trevor Hastie and Robert Tibshirani
Deep Learning - Ian Goodfellow, Yoshua Bengio and Aaron Courville
Introduction to Machine Learning - Amnon Shashua
Learn Tensorflow - Jupyter Notebooks
Learning Deep Architectures for AI (PDF)
Probabilistic Models in the Study of Language (Draft, with R code)
Reinforcement Learning: An Introduction (Draft) - Richard S. Sutton, Andrew G. Barto (PDF)
Speech and Language Processing (3rd Edition Draft) - Daniel Jurafsky, James H. Martin (PDF)
The Elements of Statistical Learning - Trevor Hastie, Robert Tibshirani, and Jerome Friedman
The LION Way: Machine Learning plus Intelligent Optimization - Roberto Battiti, Mauro Brunato (PDF)

Mathematics

A First Course in Linear Algebra - Robert A. Beezer
Advanced Algebra - Anthony W. Knapp (PDF)
An Introduction to the Theory of Numbers - Leo Moser (PDF)
Basic Algebra - Anthony W. Knapp (PDF)
Basics of Algebra, Topology, and Differential Calculus (PDF)
Bayesian Methods for Hackers - Cameron Davidson-Pilon
Book of Proof - Richard Hammack (PDF)
Calculus - Gilbert Strang (PDF)
Calculus Made Easy - Silvanus P. Thompson (PDF)
Differential Equations - Paul Dawkins (PDF, use form to download)
Elementary Differential Equations - William F. Trench (PDF)
Essentials of Metaheuristics - Sean Luke
Introduction to Probability - Charles M. Grinstead and J. Laurie Snell
Introduction to Proofs - Jim Hefferon
Introduction to Statistical Thought - Michael Lavine
Knapsack Problems - Algorithms and Computer Implementations - Silvano Martello and Paolo Toth
Lecture Notes of Linear Algebra - Dr. P. Shunmugaraj, IIT Kanpur (PDF)
Linear Algebra - Dr. Arbind K Lal, IIT Kanpur (PDF)
Linear Algebra (PDF)
Linear Algebra by Jim Hefferon - Jim Hefferon
Mathematical Logic - an Introduction (PDF)
Mathematics, MTH101A - P. Shunmugaraj, IIT Kanpur
Non-Uniform Random Variate Generation - Luc Devroye (PDF)
Number Theory - Holden Lee MIT
Ordinary Differential Equations - Wikibooks
Power Programming with Mathematica - David B. Wagner
Seven Sketches in Compositionality: An Invitation to Applied Category Theory - Brendan Fong and David I. Spivak (PDF)
Statistics Done Wrong - Alex Reinhart
Think Bayes: Bayesian Statistics Made Simple - Allen B. Downey
Think Stats: Probability and Statistics for Programmers - Allen B. Downey (using Python)

Mathematics For Computer Science

Discrete Structures for Computer Science: Counting, Recursion, and Probability - Michiel Smid

Misc

2016 European Software Development Salary Survey (email address requested, not required)
2016 Software Development Salary Survey (email address requested, not required)
97 Things Every Programmer Should Know - Extended(Leanpub account or valid email requested)
A MACHINE MADE THIS BOOK ten sketches of computer science - JOHN WHITINGTON (PDF)
A Mathematical Theory of Communication - Claude E.Shannon
Ansible Up & Running (first three chapters)(account required)
Barcode Overview (PDF)
Bitcoin and Cryptocurrency Technologies - Arvind Narayanan, Joseph Bonneau, Edward Felten, Andrew Miller, Steven Goldfeder (PDF)
Communicating Sequential Processes - Tony Hoare (PDF)
Computer Musings (lectures by Donald Knuth)
Confessions of an Unintentional CTO: Lessons in Growing a Web App - Jack Kinsella
Continuous Delivery and DevOps: A Quickstart guide - Paul Swartout, Packt. (email address requested, not required)
Culture & Empire: Digital Revolution (PDF)
Designing for Performance - Lara Hogan
Designing Interfaces - Jennifer Tidwell
DevDocs - Documents for Developers in 1 place
DevOps For Dummies (IBM Edition) (PDF)
'DYNAMIC LINKED LIBRARIES': Paradigms of the GPL license in contemporary software - Luis A. Enríquez
Essential Image Optimization - Addy Osmani
Foundations of Programming (PDF)
Game Programming Patterns - Bob Nystrom
Getting Started with Unity 5 - Dr. Edward Lavieri, Packt. (email address requested, not required)
Hacknot: Essays on Software Development - Ed Johnson
High-Performance Scientific Computing (class lectures and slides)
How Computers Work - R. Young
How to Become a Programmer (PDF)
How to Think Like a Computer Scientist - Peter Wentworth, Jeffrey Elkner, Allen B. Downey, and Chris Meyers
Image Processing in C: Analyzing and Enhancing Digital Images - Dwayne Phillips
Information Technology and the Networked Economy (PDF)
IRPF90 Fortran code generator - Anthony Scemama
Learn Programming - Antti Salonen
Learning 30 Technologies in 30 Days: A Developer Challenge - Shekhar Gulati
Learning Docker - Pethuru Raj, Jeeva S. Chelladhurai & Vinod Singh, Packt. (email address requested, not required)
Linked Data Patterns: A pattern catalogue for modelling, publishing, and consuming Linked Data - Leigh Dodds, Ian Davis
Magic Ink: Information Software and The Graphical Interface - Bret Victor
Mastering Bitcoin - Unlocking digital currencies - Andreas M. Antonopoulos
Mobile Developer's Guide to the Galaxy(Leanpub account or valid email requested)
Mother Tongues of Computer Languages (PNG)
Object-Oriented Reengineering Patterns - Serge Demeyer, Stéphane Ducasse and Oscar Nierstrasz
Packt Publishing: A free book every day (PDF, ePub, Mobi, Kindle) (account required)
PDQ: Pretty Darn Quick: An Agile, All-Purpose Methodology - Jeff Franz-Lien (Leanpub account or valid email requested)
Philosophy of Computer Science (PDF)
Pointers And Memory (PDF)
Practical Data Analysis - Hector Cuesta, Packt. (email address requested, not required)
Practical Responsive Typography - Dario Calonaci, Packt. (email address requested, not required)
Principles of Computer System Design (PDF)
Procedural Content Generation in Games - Noor Shaker, Julian Togelius, Mark Nelson
Real-World Maintainable Software (email address requested, not required)
Record-Playback Test Automation: Sahi & Selenium IDE: Critical Evaluation of Record-Playback Automation Tools - Shashikant Jagtap (Leanpub account or valid email requested)
The Quest for Artificial Intelligence: A History of Ideas and Achievements - Nils J. Nilsson (PDF)
Trends Shaping the London Tech Scene (email address requested, not required)

MOOC

Networking

802.11ac: A Survival Guide - Matthew Gast
An Introduction to Computer Networks (HTML, PDF, Kindle)
Code Connected vol.1 (PDF) (book on ZeroMQ)
Computer Networking : Principles, Protocols and Practice (HTML, ePub, PDF, Kindle)
Computer Networks: A Systems Approach - Larry Peterson and Bruce Davie (HTML, epub, mobi, PDF)
High-Performance Browser Networking - Ilya Grigorik
HTTP Succinctly, Syncfusion (PDF, Kindle) (email address requested, not required)
HTTP2 Explained - Daniel Stenberg
IPv6 for IPv4 Experts - Yar Tikhiy (PDF)
Understanding IP Addressing: Everything you ever wanted to know (PDF)

Open Source Ecosystem

Fintech, Open Source, and Emerging Markets Digital Banking for Everyone (email address requested, not required)
Free as in Freedom: Richard Stallman and the free software revolution - Sam Williams (PDF)
Free for All - Peter Wayner
Getting Started with InnerSource (email address requested, not required)
Getting started with Open source development (PDF)
How to get started with open source (ePub & ODT)
Innovation Happens Elsewhere - Ron Goldman, Richard P. Gabriel
Open by Design (email address requested, not required)
Open Source in Brazil (email address requested, not required)
Producing Open Source Software - Karl Fogel
The Art of Community - Jono Bacon (PDF)
The Cathedral and the Bazaar - Eric S. Raymond
The Future of the Internet - Jonathan Zittrain
The Wealth of Networks: How Social Production Transforms Markets and Freedom - Yochai Benkler

Operating systems

A short introduction to operating systems (2001) - Mark Burgess (PDF)
How to Make a Computer Operating System (🚧in process)
How to write a simple operating system in assembly language - Mike Saunders (HTML)
Operating Systems and Middleware (PDF and LaTeX)
Operating Systems: Three Easy Pieces (PDF)
Practical File System Design: The Be File System - Dominic Giampaolo (PDF)
Project Oberon: The Design of an Operating System, a Compiler, and a Computer - Niklaus Wirth & Jürg Gutknecht (PDF)
The Art of Unix Programming - Eric S. Raymond
The Design and Implementation of the Anykernel and Rump Kernels - Antti Kantee
The little book about OS development - Erik Helin, Adam Renberg
The Little Book of Semaphores - Allen B. Downey
Think OS: A Brief Introduction to Operating Systems - Allen B. Downey (PDF)
UNIX Application and System Programming, lecture notes - Prof. Stewart Weiss (PDF)
Writing a Simple Operating System from Scratch - Nick Blundell (PDF)

Parallel Programming

High Performance Computing - Charles Severance & Kevin Dowd (PDF, ePUB)
High Performance Computing Training (LLNL materials)
High-Performance Scientific Computing (class lectures and slides)
Introduction to High-Performance Scientific Computing - Victor Eijkhout
Introduction to Parallel Computing - Blaise Barney
Is Parallel Programming Hard, And, If So, What Can You Do About It? - Paul E. McKenney
Programming on Parallel Machines; GPU, Multicore, Clusters and More - Norm MatloffKerridge (PDF) (email address requested, not required)
Using Concurrency and Parallelism Effectively – I - Jon Kerridge (PDF) (email address requested, not required)
Using Concurrency and Parallelism Effectively – II - Jon

Partial Evaluation

Partial Evaluation and Automatic Program Generation - (PDF) Jones, Gomard and Sestoft

Professional Development

Apprenticeship Patterns: Guidance for the Aspiring Software Craftsman - David H. Hoover and Adewale Oshineye
Clean Code Developer: An initiative for more professionalism in software development (🚧in process)
Confessions of an IT Manager(RedGate, By Phil Factor)
Don't Just Roll the Dice (PDF) (RedGate, By Neil Davidson)
How to Do What You Love & Earn What You’re Worth as a Programmer - Reginald Braithwaite
Professional Software Development For Students - Mike G. Miller
What I've Learned From Failure - Reginald Braithwaite

Programming Paradigms

Introduction to Functional Programming - J. Harrison

Regular Expressions

Learn Regex The Hard Way - Zed. A. Shaw
The 30 Minute Regex Tutorial - Jim Hollenhorst
The Bastards Book of Regular Expressions: Finding Patterns in Everyday Text - Dan Nguyen (Leanpub account or valid email requested)

Reverse Engineering

BIOS Disassembly Ninjutsu Uncovered 1st Edition - Darmawan Salihun (PDF)
Hacking the Xbox: An Introduction to Reverse Engineering - Andrew 'bunnie' Huang
iOS App Reverse Engineering (PDF)
Reverse Engineering for Beginners - Dennis Yurichev (PDF)

Security

Intrusion Detection Systems with Snort (PDF)
OWASP Testing Guide 4.0 (PDF)

Software Architecture

Agile Planning: From Ideas to Story Cards - Launch School
Architectural Styles and the Design of Network-based Software Architectures - Roy Thomas Fielding
Developing Reactive Microservices (email address requested, not required)
DSL Engineering: Designing, Implementing and Using Domain-Specific Languages - Markus Voelter
Evolving Architectures of FinTech (email address requested, not required)
Exploring CQRS and Event Sourcing - (EPUB, PDF)
Kanban for skeptics - Nick Oostvogels (Leanpub account or valid email requested)
Microservice Databases: Migrating from Relational Monolith to Distributed Data (email address requested, not required)
Microservices AntiPatterns and Pitfalls (PDF)
Microservices in Production (email address requested, not required)
Microservices vs. Service-Oriented Architecture (PDF)
Migrating to Cloud-Native Application Architectures (email address requested) (PDF)
Naked objects - Richard Pawson (PDF)
Object-Oriented Reengineering Patterns - S. Demeyer, S. Ducasse and O. Nierstrasz
Practicing Domain-Driven Design - Part 1 - Scott Millett (Leanpub account or valid email requested)
Reactive Microservices Architecture (email address requested)
Software Architecture Patterns (email address requested, not required)
Test Driven Development, Extensive Tutorial - Grzegorz Gałęzowski
Working with Web APIs - Launch School
Your API Is Bad - Paddy Foran

Standards

Theoretical Computer Science

Building Blocks for Theoretical Computer Science - Margaret M. Fleck
Category Theory for Computing Science (PDF)
Category Theory for Programmers - Bartosz Milewski (PDF)
Homotopy Type Theory: Univalent Foundations of Mathematics (PDF)
Introduction to Computer Science - Prof. Subhashis Banerjee, IIT Delhi
Introduction to Theory of Computation - Anil Maheshwari and Michiel Smid (PDF)
Models of Computation - John E. Savage
Practical Foundations for Programming Languages, Preview - Robert Harper (PDF)
Principles of Programming Languages - Scott F. Smith
Programming and Programming Languages - Shriram Krishnamurthi
Programming in Martin-Löf's Type Theory - Bengt Nordstroem
Programming Languages: Application and Interpretation (2nd Edition) - Shriram Krishnamurthi
Programming Languages: Theory and Practice - Robert Harper (PDF)
Semantics with Applications: A Formal Introduction - Hanne Riis Nielson, Flemming Nielson
The Black Art of Programming - Mark McIlroy
Think Complexity - Allen B. Downey

Web Performance

Book of Speed - Stoyan Stefanov
High Performance Browser Networking - Ilya Grigorik
Mature Optimization - Carlos Bueno (PDF)

Ada

A Guide to Ada for C and C++ Programmers (PDF)
Ada Distilled (PDF)
Ada for the C++ or Java Developer - Quentin Ochem (PDF)
Ada Programming - Wikibooks
Ada Reference Manual - ISO/IEC 8652:2012(E) Language and Standard Libraries (PDF)

Agda

Programming Language Foundations in Agda - Philip Wadler and Wen Kokke

Alef

Android

Agile Android Software Development - Etienne Savard (PDF, epub, mobi)
Android 5 Programming by Example - Kyle Mew, Packt. (email address requested, not required)
Android NDK Beginner's Guide - Second Edition - Sylvain Ratabouil, Packt. (email address requested, not required)
Android NDK Game Development Cookbook - Sergey Kosarevsky & Viktor Latypov, Packt. (email address requested, not required)
Android Notes (PDF)
Android Programming Guide for Beginners (PDF - need email confirmation)
Android Programming Succinctly, Syncfusion (PDF, Kindle) (email address requested, not required)
RxJava for Android App Development (email address requested, not required)
The Busy Coder's Guide to Android Development (PDF - older versions)
Tutorial Point Android Tutorial (PDF)

APL

Mastering Dyalog APL (PDF)

Arduino

Arduino Programming Notebook - Brian Evans
C Programming for Arduino - Julien Bayle, Packt. (email address requested, not required)
Introduction to Arduino : A piece of cake! - Alan G. Smith

ASP.NET MVC

Assembly Language

Assembly Language Succinctly (PDF)
PC Assembly Language - P. A. Carter
Professional Assembly Language (PDF)
Programming from the Ground Up (PDF)
Software optimization resources - A. Fog
x86-64 Assembly Language Programming with Ubuntu - Ed Jorgensen (PDF)
x86 Assembly - Wikibooks

Non-X86

Easy 6502 - Nick Morgan
Machine Code for Beginners [Z80 and 6502 CPUs] - Lisa Watts and Mike Wharton (PDF) (Scroll to bottom and click on book cover)
Machine Language for Beginners - Richard Mansfield [6502 CPU]

AutoHotkey

AutoHotkey Official Documentation (CHM)

Autotools

Awk

An Awk Primer - Wikibooks
Awk - Bruce Barnett

Bash

Advanced Bash-Scripting Guide - M. Cooper (HTML)
Bash Guide for Beginners (2008) - M. Garrels (HTML)
Bash Notes (PDF)
Bash Notes for Professionals - Compiled from StackOverflow documentation (3.x) (PDF)
BASH Programming (2000) - Mike G. (HTML)
Bash Reference Manual (HTML)
Bash tutorial - Anthony Scemama (PDF)
BashGuide - Maarten Billemont (HTML) (PDF)
Conquering the Command Line - Mark Bates (HTML)
Getting Started with BASH (HTML)
Google Shell Style Guide - Paul Armstrong (HTML)
Introduction to the Command Line - Launch School (HTML)
Linux Fundamentals - Paul Cobbaut (PDF)
Linux Shell Scripting Tutorial - A Beginner's Handbook (2002) - Vivek G. Gite (HTML)
Linux Shell Scripting Tutorial (LSST) v2.0 - Vivek Gite (HTML)
Slackbook (2005) - Alan Hicks, Chris Lumens, David Cantrell and Logan Johnson (HTML, DocBook, Postscript, PDF)
The Bash Academy - Maarten Billemont (HTML)
The Linux Command Line - William E. Shotts, Jr. (PDF)
Writing Shell Scripts - William E. Shotts, Jr. (HTML)

Basic

10 PRINT CHR$(205.5+RND(1)); : GOTO 10 - Nick Montfort, Patsy Baudoin, John Bell,Ian Bogost, Jeremy Douglass, Mark C. Marino, Michael Mateas, Casey Reas, Mark Sample, Noah Vawter
A beginner's guide to Gambas - John W. Rittinghouse (PDF)
Pick/Basic: A Programmer's Guide - Jonathan E. Sisk

BETA

Object-Oriented Programming in the BETA Programming Language - Ole Lehrmann Madsen, Birger Møller-Pedersen, Kristen Nygaard

C

256-Color VGA Programming in C - David Brackeen
A Tutorial on Pointers and Arrays in C - Ted Jensen (PDF, Zipped HTML)
An Introduction to C & GUI Programming - Simon Long (PDF)
Bare-metal programming for ARM - Daniels Umanovskis (PDF)
Beej's Guide to C Programming - B. Hall
Beej's Guide to Network Programming - Using Internet Sockets - B. Hall
C Elements of Style - Steve Oualline
C Notes (PDF)
C Programming - Wikibooks
Essential C (PDF)
Functional C (1997) - Pieter H. Hartel, Henk Muller (PDF)
Learn to Code With C - The MagPi Essentials (PDF)
Modern C (PDF)
Object-Oriented Programming With ANSI-C (PDF)
Programming in C - Bharat Kinariwala & Tep Dobry
The Craft of Text Editing or A Cookbook for an Emacs - Craig A. Finseth
The Current C Programming Language Standard – ISO/IEC 9899:202x (C2x) - Open Standards Org - www.open-std.org (PDF)
The GNU C Programming Tutorial (PDF)
The little book about OS development - Erik Helin, Adam Renberg
The New C Standard - An Economic and Cultural commentary (2009) - Derek M. Jones (PDF)

C Sharp

C# Notes (PDF)
C# Notes for Professionals - Compiled from StackOverflow documentation (3.x)
C# Programming - Wikibooks
C# Yellow Book (intro to programming)
Daily Design Patterns (PDF)
Data Structures and Algorithms with Object-Oriented Design Patterns in C# - Bruno Preiss
Dissecting a C# Application - Christian Holm, Bernhard Spuida, Mike Kruger
Fundamentals of Computer Programming with C# - Svetlin Nakov
High level asynchronous programming with Reactive Extensions - Emil Petro
Object Oriented Programming using C# - Simon Kendal, Bookboon. (email address requested, not required)
Xamarin Cross-Platform Development Cookbook - George Taskos, Packt. (email address requested, not required)
Xamarin.Forms Succinctly, Syncfusion (PDF, Kindle) (email address requested, not required)

C++

C++ Core Guidelines - Editors: Bjarne Stroustrup, Herb Sutter
C++ Notes (PDF)
C++ Succinctly, Syncfusion (PDF, Kindle) (email address requested, not required)
C++ Today (email address requested, not required)
Financial Numerical Recipes in C++ - Bernt Arne Ødegaard
How to make an Operating System - Samy Pesse
How To Think Like a Computer Scientist: C++ Version - Allen B. Downey
Introduction to Design Patterns in C++ with Qt (PDF)
Joint Strike Fighter, C++ Coding Standards, by Bjarne Stroustrup (PDF)
Learn C++. (PDF, Online)
Matters Computational: Ideas, Algorithms, Source Code, by Jorg Arndt (PDF)
Open Data Structures (In C++) (PDF)
Practical C++ Metaprogramming (email address requested, not required)
Software Design Using C++ - Br. David Carlson and Br. Isidore Minerd
The Rook's Guide to C++ (PDF)
Thinking in C++, Second Edition, Vol. 1. - Bruce Eckel (Vol. 2)

Chapel

Cilk

Cilk 5.4.6 Reference Manual (PDF)

Clojure

Clojure - Functional Programming for the JVM - R. Mark Volkmann
Clojure by Example - Hirokuni Kim
Clojure in Small Pieces - Rich Hickey (PDF)
Clojure Programming - Wikibooks
ClojureScript Unraveled (HTML)

COBOL

COBOL Programming Fundamental (PDF)
OpenCOBOL 1.1 - Programmer's Guide (PDF)

CoffeeScript

CoffeeScript Ristretto - Reginald Braithwaite (Leanpub account or valid email requested)

ColdFusion

CFML In 100 Minutes - J. Casimir

Component Pascal

Computing Fundamentals - Stan Warford (PDF)

Cool

CoolAid: The Cool 2013 Reference Manual (PDF)

Coq

Crystal

CUDA

CUDA C Best Practices Guide (PDF)
CUDA C Programming Guide (PDF)
OpenCL Programming Guide for CUDA Architecture (PDF)

D

Dart

DB2

Getting started with DB2 Express-C (PDF)
Getting started with IBM Data Studio for DB2 (PDF)
Getting started with IBM DB2 development (PDF)

Delphi / Pascal

Essential Pascal Version 1 and 2 - M. Cantù

DTrace

Elasticsearch

Elasticsearch: The Definitive Guide (fork it on GH)

Eiffel

A Functional Pattern System for Object-Oriented Design - Thomas Kuhne (PDF)

Elixir

30 Days of Elixir - Tim Morgan (HTML)
Elixir School (HTML)
Elixir Succinctly, Syncfusion (PDF, Kindle) (email address requested, not required)
Études for Elixir (HTML)
Getting Started Guide (HTML) (PDF, MOBI, EPUB)
Joy of Elixir - Ryan Bigg (HTML) - Source (🚧in process)
Learning Elixir - Joseph Kain Blog (HTML)
The Ultimate Guide To Elixir For Object-Oriented Programmers - Bruce Park (HTML)

Ecto

Ecto Getting Started Guide (HTML)

Phoenix

Phoenix v1.3.0 Guide (HTML)
Versioned APIs with Phoenix - Elvio Vicosa (PDF) (account required)

Emacs

GNU Emacs Manual (PDF)

Embedded Systems

Control and Embedded Systems (HTML)
Discovering the STM32 Microcontroller (PDF)
Introduction to Microcontrollers (HTML)

Erlang

Concurrent Programming in ERLANG (PDF)
Erlang Handbook (PDF)
Erlang Programming - Wikibooks (HTML)
Études for Erlang - J. David Eisenberg
Getting Started with Erlang User's Guide (HTML)
Learn You Some Erlang For Great Good - Frederic Trottier-Hebert
Making reliable distributed systems in the presence of software errors - Joe Armstrong (PDF)
Stuff Goes Bad: Erlang in Anger - Fred Herbert (PDF)

ESP8266

Kolban's book on the ESP32 & ESP8266(Leanpub account or valid email requested)

F Sharp

Analyzing and Visualizing Data with F# (PDF)
F# for fun and profit (ePub)
F# Programming - Wikibooks
F# Succinctly, SyncFusion (PDF, Kindle) (email address requested, not required)
Functional Programming Textbook - Yusuf M Motara (PDF)
Programming Language Concepts for Software Developers (PDF)

Firefox OS

Quick Guide For Firefox OS App Development: Creating HTML5 based apps for Firefox OS - Andre Garzia

Flutter

Flutter Succinctly, Syncfusion (PDF, Kindle) (email address requested, not required)

Force.com

Heroku Postgres (PDF)

Forth

And so Forth.. (PDF)
Programming Forth (PDF)

Fortran

Introduction to fortran 95 and numerical computing: a jump-start for scientists and engineers (PDF)
Self Study Guide: Programming in Fortran 95 (PDF)

FreeBSD

Using C on the UNIX System - David A. Curry

Git

A Visual Git Reference - Mark Lodato
Git From The Bottom Up - J. Wiegley
Git internals - Scott Chacon (PDF)
Git Pocket Guide - Richard E. Silverman
Git Succinctly, Syncfusion (PDF, Kindle) (email address requested, not required)
GitHub Cheat Sheet - Tim Green (Markdown)
Intoduction to Git and Github - Launch School
Intoduction to Git and Github - Tutorial - Dr. Chris Bourke (PDF)
Learn Git - Learn Version Control with Git - Tobias Günther
Pro Git - Scott Chacon
Pro Git Reedited - Jon Forrest
Ry's Git Tutorial - Ryan Hodson

Go

Go 101 - @TapirLiu
Go Bootcamp - Matt Aimonetti
Practical Cryptography With Go - Kyle Isom

Groovy

Gradle

Gradle User Guide - Hans Dockter, Adam Murdoch (PDF)

Grails

The Grails Framework - Reference Documentation - Graeme Rocher, Peter Ledbrook, Marc Palmer, Jeff Brown, Luke Daley, Burt Beckwith, Lari Hotari (PDF)

Spock Framework

Spock Framework Reference Documentation - Peter Niederwieser

Hack

Hadoop

Cloudera Impala - John Russel
Data-Intensive Text Processing with MapReduce (Jimmy Lin and Chris Dyer) (PDF)
Hadoop Explained - Aravind Shenoy, Packt. (email address requested, not required)
Hadoop Illuminated - Mark Kerzner & Sujee Maniyam
Programming Pig - Alan Gates

Haskell

Anatomy of Programming Languages - William R. Cook
Beautiful Code, Compelling Evidence (PDF)
Exploring Generic Haskell - Andres Löh (PDF)
Haskell - Wikibooks
Haskell web Programming (Yesod tutorial)
Learn You a Haskell for Great Good - Miran Lipovaca
Parallel and Concurrent Programming in Haskell - Simon Marlow
Wise Man's Haskell - Andre Popovitch
Yet Another Haskell Tutorial (PDF)

Haxe

Haxe and JavaScript - Matthijs Kamstra (wikibook)
Haxe Manual - Haxe Foundation (PDF, HTML)
HaxeFlixel Handbook (HTML)

HTML / CSS

Adaptive Web Design - Aaron Gustafson
Code Guide: Standards for developing flexible, durable, and sustainable HTML and CSS - Mark Otto
Dive Into HTML5 - Mark Pilgrim (PDF)
HTML Canvas Deep Dive - Josh Marinacci
HTML5 Canvas - Steve Fulton & Jeff Fulton
HTML5 for Publishers - Sanders Kleinfeld
HTML5 For Web Designers - Jeremy Keith
HTML5 Graphing and Data Visualization Cookbook - Ben Fhala, Packt. (email address requested, not required)
HTML5 Notes for Professionals - Compiled from StackOverflow documentation (3.x)
HTML5 Shoot 'em Up in an Afternoon - Bryan Bibat
Learn to Code HTML & CSS - Shay Howe
Scalable and Modular Architecture for CSS - Jonathan Snook
Thinking in CSS - Aravind Shenoy, Packt. (email address requested, not required)
Thinking in HTML - Aravind Shenoy, Packt. (email address requested, not required)
Understanding Flexbox: Everything you need to know - Ohans Emmanuel
Web Audio API - Boris Smus

Bootstrap

Twitter Bootstrap 3 Succinctly (PDF, Kindle) (email address requested, not required)
Twitter Bootstrap Succinctly (PDF, Kindle) (email address requested, not required)

HTTP

Introduction to HTTP - Launch School

Idris

Gentle Introduction to Dependent Types with Idris - Boro Sitnikovski (Leanpub account or valid email requested)

Icon

iOS

iOS Succinctly, Syncfusion (PDF, Kindle) (email address requested, not required)
Mastering iOS Game Development - Miguel DeQuadros, Packt (email address requested, not required)
NSHipster (Resource)
Start Developing iOS Apps (Swift) (HTML)
Start Developing iOS Apps Today (Objective-C) - Last updated 22.10.2013 (PDF)

IoT

IoT in five days- V1.1 (PDF, EPUB)

Isabelle/HOL

Concrete Semantics - A Proof Assistant Approach by Tobias Nipkow and Gerwin Klein (PDF)
Isabelle/HOL - A Proof Assistant for Higher-Order Logic by Tobias Nipkow and Lawrence C. Paulson and Markus Wenzel (PDF)

J

Arithmetic by Kenneth E Iverson (PDF)
Brief Reference by Chris Burke and Clifford Reiter (PDF)
Calculus by Kenneth E Iverson (PDF)
Concrete Math Companion by Kenneth E Iverson (PDF)
Easy J by Linda Alvord, Norman Thomson (PDF) (Word DOC)
Exploring Math by Kenneth E Iverson (PDF)
Math for the Layman by Kenneth E Iverson (zipped html+images)

Java

3D Programming in Java - Daniel Selman (PDF)
Apache Jakarta Commons: Reusable Java Components - Will Iverson (PDF)
Artificial Intelligence - Foundation of Computational Agents (2010) - David Poole and Alan Mackworth
Category wise tutorials - J2EE - Yong Mook Kim
Core Servlets and JavaServer Pages, 2nd Ed. (2003) - Marty Hall and Larry Brown
Data Structures in Java for the Principled Programmer (2007) - Duane A. Bailey (PDF)
Introduction to Computer Science 'booksite' - by Robert Sedgewick and Kevin Wayne (HTML)
Introduction to Computer science using Java - Bradley Kjell
Introduction to Programming in Java - Robert Sedgewick and Kevin Wayne
Introduction to Programming Using Java - David J. Eck
Java Application Development on Linux (2005) - Carl Albing and Michael Schwarz (PDF)
Java, Java, Java Object-Oriented Problem Solving - R. Morelli and R.Walde
Java Language and Virtual Machine Specifications - James Gosling, et al
Java Notes for Professionals - Compiled from StackOverflow documentation (3.x)
Java Programming for Kids - Yakov Fain
Java: The Legend - Ben Evans (email address requested, not required)
Learning Java (4th Edition) - Patrick Niemeyer and Daniel Leuck
Microservices Best Practices for Java (PDF)
Microservices for Java Developers - Christian Posta (email address requested, not required)
Modern Java EE Design Patterns - Markus Eisele (email address requested, not required)
Neural Network Development with Java - Alan M. F. Souza and Fabio M. Soares (email address requested, not required)
Object-Oriented Programming in JavaTM Textbook - Rick Halterman (PDF per Chapter)
Object Oriented Programming using Java - Simon Kendal (PDF) , Bookboon. (email address requested, not required)
Object-Oriented vs. Functional Programming - Richard Warburton (email address requested, not required)
OOP - Learn Object Oriented Thinking & Programming - Rudolf Pecinovsky (PDF)
Open Data Structures (in Java) - Pat Morin (PDF)
Processing XML with Java (A Guide to SAX, DOM, JDOM, JAXP, and TrAX) (2002) - Elliotte Rusty Harold
The ABC of PDF with iText: PDF Syntax essentials - Bruno Lowagie (Leanpub account or valid email requested)
The Java EE6 Tutorial (PDF)
The Java EE7 Tutorial - Eric Jendrock, et al (PDF)
Think Java: How to Think Like a Computer Scientist - Allen B. Downey and Chris Mayfield
Welcome to Java for Python Programmers - Brad Miller
Welcome to the Java Workshop (2006) - Trevor Miller

Codename One

Codename One Developer Guide (PDF)
Create an Uber Clone in 7 Days (first 2 chapters) - Shai Almog (PDF)

JasperReports

The JasperReports Ultimate Guide, Third Edition (PDF)

Spring

Spring Framework Reference Documentation - Rod Johnson, Juergen Hoeller, Keith Donald, Colin Sampaleanu, Rob Harrop, Thomas Risberg, Alef Arendsen, Darren Davison, Dmitriy Kopylenko, Mark Pollack, Thierry Templier, Erwin Vervaet, Portia Tung, Ben Hale, Adrian Colyer, John Lewis, Costin Leau, Mark Fisher, Sam Brannen, Ramnivas Laddad, Arjen Poutsma, Chris Beams, Tareq Abedrabbo, Andy Clement, Dave Syer, Oliver Gierke, Rossen Stoyanchev, Phillip Webb, Rob Winch, Brian Clozel, Stephane Nicoll, Sebastien Deleuze (PDF)

Spring Boot

Spring Boot Reference Guide - Phillip Webb, Dave Syer, Josh Long, Stéphane Nicoll, Rob Winch, Andy Wilkinson, Marcel Overdijk, Christian Dupuis (PDF, EPUB)

Spring Security

Spring Security Reference - Ben Alex, Luke Taylor, Rob Winch

Wicket

JavaScript

Basic JavaScript for the impatient programmer - Dr. Axel Rauschmayer
Crockford's JavaScript - Douglas Crockford
Developing Backbone.js Applications - Addy Osmani
Eloquent JavaScript 2nd edition - Marijn Haverbeke
Exploring ES6 - Dr. Axel Rauschmayer
JavaScript Allongé - Reginald Braithwaite
JavaScript Bible (PDF)
JavaScript Enlightenment - Cody Lindley
JavaScript ES6 and beyond - Alberto Montalesi (PDF, epub)
JavaScript Garden (Maintained by Tim Ruffles)
JavaScript Patterns Collection - Shi Chuan
JavaScript Spessore - Reginald Braithwaite
Javascript Succinctly, Syncfusion (PDF, Kindle) (email address requested, not required)
jQuery Fundamentals (starts with JavaScript basics)
JS Robots (PDF)
Leaflet Tips and Tricks: Interactive Maps Made Easy - Malcolm Maclean
Learning JavaScript Design Patterns - Addy Osmani
Let's Learn ES6 - Ryan Christiani (Superbook format)
Managing Space and Time with JavaScript - Book 1: The Basics - Noel Rappin
Marionette Exposé: Learn to write modular Javascript applications using Backbone Marionette and RequireJS/AMD - Jack Killilea (Leanpub account or valid email requested)
Mastering JavaScript High Performance - Chad R. Adams, Packt. (email address requested, not required)
Object-Oriented JavaScript - Stoyan Stefanov, Kumar Chetan Sharma (email address requested, not required)
Oh My JS - Azat Mardanov
Patterns For Large-Scale JavaScript Application Architecture - Addy Osmani
Speaking JavaScript - Dr. Axel Rauschmayer
The JavaScript Way - Baptiste Pesquet
Thinking in JavaScript - Aravind Shenoy, Packt. (email address requested, not required)
Understanding ECMAScript 6 - Nicholas C. Zakas
Understanding JavaScript OOP(Sorella)

Angular.js

AngularJS Essentials - Rodrigo Branas, Packt (email address requested, not required)
AngularJS Succinctly (PDF, Kindle) (email address requested, not required)
Developing with Angular - Denys Vuika (Leanpub account or valid email requested)
Recipes with Angular.js - Frederik Dietz

Aurelia

Beginning Aurelia - behzad (Leanpub account or valid email requested)

Backbone.js

Backbone Tutorials: Beginner, Intermediate and Advanced - Thomas Davis (Leanpub account or valid email requested)
Building Single Page Web Apps with Backbone.js (🚧in process)

Booty5.js

D3.js

D3 Tips and Tricks - Malcolm Maclean

Dojo

Dojo: The Definitive Guide - Matthew A. Russell

Elm

An Introduction to Elm (HTML)
Beginning Elm - Pawan Poudel (HTML)
Elm Accelerated - James Porter
Elm Programming Language (HTML)
Learn You an Elm (HTML)

Ember.js

Express.js

Express.js Guide - Azat Mardanov

jQuery

jQuery Novice to Ninja (PDF)
jQuery Succinctly, Syncfusion (PDF, Kindle) (email address requested, not required)

Meteor

Node.js

An Introduction to libuv - Nikhil Marathe (PDF - ePub)
Node: Up and Running - Tom Hughes-Croucher
Node.js Succinctly, Syncfusion (PDF, Kindle) (email address requested, not required)
What You Need To Know About Node.js - Bruno Joseph Dmello, Packt (email address requested, not required)

Om

React

React-Bits (vasanthk)
React Tutorial by Josh Finnie
React.js Succinctly, Syncfusion (PDF, Kindle) (email address requested, not required)
The Road to learn React - Build a Hacker News App along the Way - Robin Wieruch (Leanpub account or valid email requested)markdown

React Native

Programming React Native(Leanpub account or valid email requested)

Redux

The Complete Redux Book - Boris Dinkevich and Ilya Gelman (Leanpub account or valid email requested)

Jenkins

Jenkins: The Definitive Guide (PDF)

Julia

Introducing Julia - Wikibooks
Julia by Example - Samuel Colvin (GitHub repo)
Julia language: a concise tutorial - Antonello Lobianco (GitBook)
Learn Julia in Y minutes - Leah Hanson
The Julia Express - Bogumił Kamiński (PDF)

Kotlin

Kotlin Notes for Professionals book - Compiled from StackOverflow documentation

LaTeX / TeX

LaTeX

LaTeX - Wikibooks
The Not So Short Introduction to LaTeX (PDF)

TeX

Notes On Programming in TeX - Christian Feursänger (PDF)
TeX by Topic, A TeXnician's Reference - Victor Eijkhout
TeX for the Impatient - Paul Abrahams, Kathryn Hargreaves, and Karl Berry

Limbo

Linux

Ad Hoc Data Analysis From The Unix Command Line - Wikibooks
Advanced Linux Programming (PDF)
Linux 101 Hacks - Ramesh Natarajan (PDF)
Linux Device Drivers, Third Edition - Jonathan Corbet, Alessandro Rubini, and Greg Kroah-Hartman
Linux Succinctly, Syncfusion (PDF, Kindle) (email address requested, not required)
OpenVZ Linux virtualization (PDF)
Secure Programming HOWTO - Creating Secure Software - D. A. Wheeler (HTML, PDF)
Ten Steps to Linux Survival: Bash for Windows People - Jim Lehmer
The Linux Command Line (PDF)
The Linux Development Platform (PDF)
Ubuntu Server Guide (PDF)
Understanding the Linux Virtual Memory Manager - Mel Gorman (HTML, PDF)
UNIX Systems Programming for SVR4 - David A. Curry
What Every Programmer Should Know About Memory (PDF)

Lisp

Basic Lisp Techniques - David J. Cooper, Jr. (PDF)
Common Lisp: A Gentle Introduction to Symbolic Computation - David S. Touretzky (PDF, PS)
Common Lisp: An Interactive Approach - Stuart C. Shapiro
Interpreting LISP - Gary D. Knott (PDF)
Learn Lisp The Hard Way - Colin J.E. Lupton
Let Over Lambda - 50 Years of Lisp - D. Hoyte
Lisp Hackers: Interviews with 100x More Productive Programmers - Vsevolod Dyomkin
Lisp Web Tales - Pavel Penev (Leanpub account or valid email requested)
On Lisp - P. Graham
Paradigms of Artificial Intelligence Programming: Case Studies in Common Lisp - Peter Norvig (PDF, epub, markdown)
Practical Common Lisp - P. Seibel
SOLID Design Principles in Common Lisp - Momozor (PDF)
Successful Lisp: How to Understand and Use Common Lisp - David Lamkins (PDF)
The Evolution of Lisp - Guy L. Steele Jr., Richard P. Gabriel (PDF)

Livecode

LiveCode userguide (PDF)

Lua

Lua Programming - Wikibooks

Make

Managing Projects with GNU Make - Robert Mecklenburg

Markdown

Learn Markdown - Sammy P., Aaron O. (PDF) (EPUB) (MOBI)

Mathematica

MATLAB

An Interactive Introduction to MATLAB (PDF)
An Introduction to MATLAB (PDF)
MATLAB Programming - Wikibooks
MATLAB Succinctly, Syncfusion (PDF, Kindle) (email address requested, not required)
Physical Modeling in MATLAB - Alan B. Downey

Maven

Mercurial

Mercurial: The Definitive Guide 2nd edition (source repository) (🚧in process)

Mercury

The Mercury Users' Guide (PDF)

Modelica

MySQL

MySQL Tutorial Excerpt (PDF)

Neo4J

Graph Databases (PDF)
Graph Databases 2nd edition(account required)

.NET Framework

Game Creation with XNA - Wikibooks
.NET Performance Testing and Optimization - The Complete Guide(RedGate, By Paul Glavich and Chris Farrell)
Under the Hood of .NET Memory Management (PDF) (RedGate, By Chris Farrell and Nick Harrison)
Visual Studio .NET Tips and Tricks (VS 2003-2005 only)

NoSQL

Extracting Data from NoSQL Databases: A Step towards Interactive Visual Analysis of NoSQL Data - Petter Nasholm (PDF)
Instant MongoDB - Amol Nayak, Packt. (email address requested, not required)
MongoDB Succinctly, Syncfusion (PDF, Kindle) (email address requested, not required)
NoSQL Databases - Christof Strauch (PDF)
The Little Redis Book - K. Seguin (PDF, Epub)

Oberon

Algorithms and fallback-src='https://github.githubassets.com/images/icons/emoji/unicode/1f6a7.png'>🚧project is dead)

PHP

CakePHP Framework
- CakePHP Cookbook 2.x (PDF)
CodeIgniter Framework
Drupal Framework
- Drupal 7
  - The Tiny Book of Rules (PDF)
Laravel Framework
- Laravel 3
  - Laravel: Code Happy - Dayle Rees
- Laravel 4
  - Laravel: Code Bright - Dayle Rees
- Laravel 5
  - Laravel 5.x Official Documentation. Synced Daily(Leanpub account or valid email requested)
  - Laravel: Code Smart - Dayle Rees
  - Laravel Collections Unraveled - Jeffrey Madsen (Leanpub account or valid email requested)
PHP 5 Power Programming (PDF)
PHP Pandas - Dayle Rees
PHP Programming - Wikibooks
PHPUnit Manual - Sebastian Bergmann (PDF)
Symfony Framework
- Symfony 2.8
  - The Symfony Book 2.8.x (PDF)
- Symfony 3.4
  - The Symfony Best practices 3.4.x (PDF)
  - The Symfony Getting started 3.4.x (PDF)
- Symfony 4.1
  - The Symfony Best practices 4.1.x (PDF)
  - The Symfony Getting started 4.1.x (PDF)
Zend Framework

PicoLisp

PostgreSQL

Postgres Succinctly (PDF, Kindle) (email address requested, not required)

PowerShell

Creating HTML Reports in PowerShell (PDF,ePub,HTML)
DevOps: The Ops Perspective (PDF, ePub, MOBI)
Ditch Excel: Making Historical & Trend Reports in PowerShell (PDF, ePub, MOBI)
Introduction to PowerShell for Unix People (PDF, ePub, HTML)
Layman’s Guide to PowerShell 2.0 remoting (PDF)
PowerShell 2.0 – One CMDLET At A Time (PDF)
PowerShell Notes for Professionals - Compiled from StackOverflow documentation (3.x)
PowerShell Succinctly, Syncfusion (PDF, Kindle) (email address requested, not required)
Secrets of PowerShell Remoting (PDF, ePub, MOBI)
The Big Book of PowerShell Error Handling (PDF, ePub, MOBI)
The Big Book of PowerShell Gotchas (PDF, ePub, MOBI)
The DSC Book (PDF, ePub, HTML)
The Monad Manifesto - Annotated (PDF, ePub, MOBI)
Why PowerShell? (PDF, ePub, MOBI)
Windows PowerShell Networking Guide (PDF, ePub, MOBI)

Processing

Prolog

Applications of Prolog - Attila Csenki, Bookboon. (email address requested, not required)
Coding Guidelines for Prolog - Michael A. Covington, Roberto Bagnara, Richard A. O'Keefe, Jan Wielemaker, Simon Price
GNU Prolog Manual (PDF)
Introduction to Prolog for Mathematicians - J. Ireson-Ireson-Paine
Natural Language Processing Techniques in Prolog - P. Blackburn, K. Striegnitz
Prolog and Natural - Language Analysis - Fernando C. N. Pereira, Stuart M. Shieber
Prolog Problems - Werner Hett
Prolog Techniques - Attila Csenki, Bookboon. (email address requested, not required)
The Art of Prolog, Second Edition - Leon S. Sterling, Ehud Y. Shapiro (Open Access)
The First 10 Prolog Programming Contests - Bart Demoen, Phuong-Lan Nguyen, Tom Schrijvers, Remko Tronçon
Warren's Abstract Machine: A Tutorial Reconstruction - Hassan A¨it-Kaci

Constraint Logic Programming (extended Prolog)

PureScript

PureScript By Example - Phil Freeman

Python

20 Python Libraries You Aren't Using (But Should) (email address requested, not required)
A Beginner's Python Tutorial - Wikibooks
A Byte of Python (3.x) (HTML, PDF, EPUB, Mobi)
A Guide to Python's Magic Methods - Rafe Kettler
A Whirlwind Tour of Python - Jake VanderPlas (PDF) (EPUB, MOBI)
Automate the Boring Stuff - Al Sweigart
Biopython (PDF)
Build applications in Python the antitextbook (3.x) (HTML, PDF, EPUB, Mobi)
Building Machine Learning Systems with Python - Willi Richert & Luis Pedro Coelho, Packt. (email address requested, not required)
Building Skills in Object-Oriented Design (Python) (PDF) (2.1.1)
Building Skills in Python (PDF) (2.6)
Composing Programs (3.x)
Data Structures and Algorithms in Python - B. R. Preiss (PDF)
Dive into Python 3 - Mark Pilgrim (3.0)
- Dive into Python - Mark Pilgrim (2.3)
Functional Programming in Python (email address requested, not required)
Fundamentals of Python Programming - Richard L. Halterman (PDF) (3.2)
Google's Python Class (2.4 - 2.x)
Hacking Secret Cyphers with Python - Al Sweigart (3.3)
Hadoop with Python (email address requested, not required)
Hitchhiker's Guide to Python! (2.6)
How to Make Mistakes in Python - Mike Pirnat (PDF) (1st edition)
How to Think Like a Computer Scientist: Learning with Python, Interactive Edition (3.2)
- How to Think Like a Computer Scientist: Learning with Python - Allen B. Downey, Jeff Elkner and Chris Meyers (2.4)
- Think Python - Allen B. Downey (2.x & 3.0)
Intermediate Python - Muhammad Yasoob Ullah Khalid (1st edition)
Introduction to Programming with Python (3.3)
- Introduction to Programming Using Python - Cody Jackson (1st edition) (2.3)
Introduction to Python - Kracekumar (2.7.3)
Invent Your Own Computer Games With Python - Al Sweigart (3.1)
Learn to Program Using Python - Cody Jackson (PDF)
Learning Python - Fabrizio Romano, Packt. (email address requested, not required)
Lectures on scientific computing with python - J.R. Johansson (2.7)
Making Games with Python & Pygame - Al Sweigart (2.7)
Modeling Creativity: Case Studies in Python - Tom D. De Smedt (PDF)
Natural Language Processing with Python (3.x)
Non-Programmer's Tutorial for Python 3 - Wikibooks (3.3)
- Non-Programmer's Tutorial for Python 2.6 - Wikibooks (2.6)
Picking a Python Version: A Manifesto (email address requested, not required)
Porting to Python 3: An In-Depth Guide (2.6 - 2.x & 3.1 - 3.x)
Practical Programming in Python - Jeffrey Elkner (PDF)
Problem Solving with Algorithms and Data Structures using Python - Bradley N. Miller and David L. Ranum
Program Arcade Games With Python And Pygame (3.3)
Programming Computer Vision with Python (PDF)
Python 2 Official Documentation (PDF, HTML, TEXT) (2.x)
Python 2.7 quick reference - New Mexico Tech (2.7)
Python 3 Official Documentation (PDF, EPUB, HTML, TEXT) (3.x)
Python Data Science Handbook - Jake VanderPlas (HTML, Jupyter Notebooks)
Python for Everybody Exploring Data Using Python 3 - Charles Severance (PDF, EPUB, HTML)
- Python for Informatics: Exploring Information (2.7.5)
Python for you and me (2.7.3)
Python for you and me (3.x)
Python Idioms (PDF)
Python in Education (email address requested, not required)
Python in Hydrology - Sat Kumar Tomer
Python Koans (2.7 or 3.x)
Python Module of the Week (3.x)
- Python Module of the Week (2.x)
Python Notes for Professionals - Compiled from StackOverflow documentation (3.x)
Python Practice Book (2.7.1)
Python Programming - Wikibooks (2.7)
Python Programming - Wikibooks (PDF) (2.6)
SICP in Python (3.2)
Suporting Python 3: An In-Depth Guide (2.6 - 2.x & 3.1 - 3.x)
Test-Driven Web Development with Python - Harry Percival (3.3 - 3.x)
Text Processing in Python - David Mertz (2.3 - 2.x)
The Coder's Apprentice: Learning Programming with Python 3 - Pieter Spronck (PDF) (3.x)
The Definitive Guide to Jython, Python for the Java Platform - Josh Juneau, Jim Baker, Victor Ng, Leo Soto, Frank Wierzbicki (2.5)
The Little Book of Python Anti-Patterns (Source)
The Programming Historian - William J. Turkel, Adam Crymble and Alan MacEachern
The Standard Python Library - Fredrik Lundh
Think Complexity - Allen B. Downey (2nd Edition) (PDF, HTML)
Tiny Python 3.6 Notebook - Matt Harrison (3.6)
Web2py: Complete Reference Manual, 6th Edition (pre-release) (2.5 - 2.x)

Django

Django Girls Tutorial (1.11)
Django Official Documentation (PDF) (1.5)
Django Official Documentation (PDF) (1.7)
Django Official Documentation (PDF) (1.9)
Django Official Documentation (PDF) (1.10)
Django Official Documentation (PDF) (2.2)
Effective Django (1.5)
How to Tango With Django (1.7)

Flask

Explore Flask - Robert Picard
The Flask Mega-Tutorial - Miguel Grinberg (0.9)

Kivy

Pandas

Learn Pandas - Hernan Rojas (0.18.1)

Pyramid

Tornado

QML

Qt5 Cadaques - Juergen Bocklage-Ryannel and Johan Thelin (HTML, PDF, ePub) (🚧in process)

R

Advanced R Programming - Hadley Wickham
An Introduction to Statistical Learning with Applications in R - Gareth James, Daniela Witten, Trevor Hastie and Robert Tibshirani (PDF)
Cookbook for R - Winston Chang
Introduction to Probability and Statistics Using R - G. Jay Kerns (PDF)
Learning Statistics with R - Daniel Navarro
Machine Learning with R - Brett Lantz, Packt. (email address requested, not required)
ModernDive - Chester Ismay and Albert Y. Kim
Practical Regression and Anova using R - Julian J. Faraway (PDF)
R for Data Science - Garrett Grolemund and Hadley Wickham
R for Spatial Analysis (PDF)
R Language for Programmers - John D. Cook
R Packages - Hadley Wickham
R Practicals (PDF)
R Programming - Wikibooks
R Programming for Data Science - Roger D. Peng (Leanpub account or valid email requested)
R Succinctly, Syncfusion (PDF, Kindle) (email address requested, not required)
The caret Package - Max Kuhn
The R Inferno - Patrick Burns (PDF)
Tidy Text Mining with R - Julia Silge and David Robinson

Racket

Raspberry Pi

Raspberry Pi Cookbook for Python Programmers - Tim Cox, Packt. (PDF) (email address requested, not required)
Raspberry Pi: Measure, Record, Explore - Malcolm Maclean (HTML)
Raspberry Pi Users Guide - (2012) - Eben Upton (PDF)
The Official Raspberry Pi Project Book (PDF)

REBOL

Learn REBOL - Nick Antonaccio

Ruby

Developing Games With Ruby - Tomas Varaneckas
Introduction to Programming with Ruby - Launch School
Learn Ruby First - Frederick John
Learn Ruby the Hard Way - Zed Shaw
Learn to Program - Chris Pine
Object Oriented Programming with Ruby - Launch School
Ruby Web Dev: The Other Way - Yevhen Kuzminov
The Definitive Ruby Tutorial For Complete Beginners - Jesus Castello
The Unofficial Ruby Usage Guide (at Google) - Ian Macdonald

RSpec

Ruby on Rails

Kestrels, Quirky Birds, and Hopeless Egocentricity - Reg Braithwaite
Ruby on Rails Tutorial (Rails 5): Learn Web Development with Rails - Michael Hartl

Sinatra

Rust

Why Rust? (PDF)

Sage

Sage for Power Users - William Stein (PDF)

Scala

A Scala Tutorial for Java programmers (PDF)
Advanced Scala with Cats - Noel Welsh and Dave Gurnell (PDF, HTML, EPUB) (email address requested, not required)
Creative Scala - Noel Welsh and Dave Gurnell (PDF, HTML, EPUB) (email address requested, not required)
EAI Patterns with Actor Model - Vaughn Vernon
Essential Scala - Noel Welsh and Dave Gurnell (PDF, HTML, EPUB) (email address requested, not required)
Functional Programming for Mortals - Sam Halliday
Functional Programming, Simplified (Scala edition) - Alvin Alexander (free preview (400 pages from 595), PDF)
Hello, Scala - Alvin Alexander (free preview (120 pages from 257), PDF)
Programming in Scala, First Edition - by M. Odersky, L. Spoon, B. Venners
PythonToScala - Rob Story
S-99: Ninety-Nine Scala Problems - Phil! Gold
Scala & Design Patterns: Exploring Language Expressivity - Fredrik Skeel Løkke (PDF)
Scala By Example - M. Odersky (PDF)
Scala Cookbook: Bonus Chapters - Alvin Alexander (PDF)
Scala for Perl 5 Programmers - Breno G. de Oliveira
Scala for the Impatient (A1 Scala Level chapters) - Cay S. Horstmann
Scala Tutorial (PDF)
The Neophyte's Guide to Scala - Daniel Westheide
The Type Astronaut's Guide to Shapeless - Dave Gurnell (PDF, HTML, EPUB) (email address requested, not required)

Lift

Exploring Lift (published earlier as 'The Definitive Guide to Lift', PDF)
Lift Cookbook - Richard Dallaway
Simply Lift - David Pollak (PDF)

Play Scala

Essential Play - Dave Gurnell (PDF, HTML, EPUB) (email address requested, not required)
Play Framework Recipes - Alvin Alexander

Scheme

Concrete Abstractions: An Introduction to Computer Science Using Scheme - M. Hailperin, B. Kaiser, K. Knight
Simply Scheme: Introducing Computer Science - B. Harvey, M. Wright
The Scheme Programming Language: Edition 3 - The Scheme Programming Language: Edition 4
Write Yourself a Scheme in 48 Hours - Wikibooks

Scilab

Scratch

Sed

Self

Smalltalk

Dynamic Web Development with Seaside - S. Ducasse, L. Renggli, C. D. Shaffer, R. Zaccone
Pharo by Example (Smalltalk Implementation and IDE)
Squeak By Example (Smalltalk Implementation and IDE)
Stef's Free Online Smalltalk Books (meta-list)

Spark

Python Programming Books Free Pdf

SQL (implementation agnostic)

SQL Server

Best of SQLServerCentral.com Vol 7 *(RedGate, By SQLServerCentral Authors)
Brad's Sure Guide to SQL Server Maintenance Plans(RedGate, By Brad McGehee)
Defensive Database Programming (PDF) (RedGate, By Alex Kuznetsov)
How to Become an Exceptional DBA(RedGate, By Brad McGehee)
Inside the SQL Server Query Optimizer(RedGate, By Benjamin Nevarez)
Mastering SQL Server Profiler(RedGate, By Brad McGehee)
Microsoft SQL Server Notes for Professionals (Compiled from StackOverflow documentation)
Performance Tuning with SQL Server Dynamic Management Views(RedGate, By Tim Ford and Louis Davidson)
Protecting SQL Server Data(RedGate, By John Magnabosco)
SQL Server Backup and Restore(RedGate, By Shawn McGehee)
SQL Server Concurrency: Locking, Blocking and Row Versioning(RedGate, By Kalen Delaney)
SQL Server Execution Plans (PDF) (RedGate, By Grant Fritchey)
SQL Server Execution Plans, Second Edition (PDF) (RedGate, By Grant Fritchey)
SQL Server Hardware(RedGate, By Glenn Berry)
SQL Server Internals: In-Memory OLTP(RedGate, By Kalen Delaney)
SQL Server Statistics(RedGate, By Holger Schmeling)
SQL Server Stumpers Vol.5(RedGate, By SQLServerCentral Authors)
SQL Server Tacklebox(RedGate, By Rodney Landrum)
SQL Server Transaction Log Management(RedGate, By Tony Davis and Gail Shaw)
The Art of SQL Server FILESTREAM(RedGate, By Jacob Sebastian and Sven Aelterman)
Troubleshooting SQL Server: A Guide for the Accidental DBA(RedGate, By Jonathan Kehayias and Ted Krueger)

Standard ML

Introduction to Standard ML - Atsushi Ohori (PDF)
Programming in Standard ML '97 - Stephen Gilmore, University of Edinburgh
Programming in Standard ML, DRAFT - Robert Harper (PDF)
SML# Document - Atsushi Ohori, Katsuhiro Ueno
The Definition of Standard ML (Revised) - SMLFamily GitHub project (PDF)

Subversion

Subversion Version Control (PDF)

Swift

Swift Essentials - Second Edition - Dr. Alex Blewitt, Packt (email address requested, not required)
Swift Pocket Reference (email address requested, not required)
Test-driven iOS Development with Swift - Dr. Dominik Hauser, Packt. (email address requested, not required)
The Swift Programming Language (HTML) (iBook)
Using Swift with Cocoa and Objective-C (HTML) (iBook)

Vapor

Vapor 3 Tutorial For Beginners - Tibor Bödecs

Tcl

Tcl Programming - Richard.Suchenwirth, et. al.
TclWise - Salvatore Sanfilippo

TEI

What is the Text Encoding Initiative? - Lou Bernard

Teradata

Tizen

Free Programming Books Pdf

Tizen for Dummies - Jon Lansdell, Cheng Luo, Michelle Somersville (PDF)

TLA

Specifying Systems: The TLA+ Language and Tools for Hardware and Software Engineers - Leslie Lamport (Postscript or PDF)

TypeScript

Free Python Programming Books Pdf

Making games with TypeScript - Øyvind (HTML) (🚧in process)
TypeScript Accelerated - James Porter
TypeScript Succinctly, Syncfusion (PDF, Kindle) (email address requested, not required)

Unix

Commentary on the Sixth Edition UNIX Operating System - J. Lions
Unix as IDE - Tom Ryder (epub, mobi)
UNIX Commands and Concepts - Robert I. Pitts
Unix for Poets - Kenneth Ward Church (PDF)
Unix Toolbox - Colin Barschel