Free Programming Books

https://github.com/vhf/free-programming-books

Index

• Meta-Lists
• Graphics user interfaces
• Graphics Programming
• Language Agnostic
  • Algorithms & Datastructures
  • Theoretical Computer Science
  • Operating systems
  • Database
  • Networking
  • Compiler Design
  • Programming Paradigms
  • Parallel Programming
  • Software Architecture
  • Open Source Ecosystem
  • Information Retrieval
  • Datamining
  • Machine Learning
  • Mathematics
  • Misc
  • Web Performance
  • MOOC
  • Professional Development
• Ada
• Android
• APL
• Autotools
• ASP.NET MVC
• Assembly Language
• Bash
• C
• C++
• Clojure
• CoffeeScript
• ColdFusion
• D
• Dart
• DTrace
• DB2
• Delphi / Pascal
• Elasticsearch
• Emacs
• Erlang
• Flex
• F#
• Forth
• Git
• Go
• Grails
• Hadoop
• Haskell
• HTML / CSS
• Icon
• IDL
• iOS
• J
• Java
  • Wicket
• JavaScript
  • Backbone.js
  • D3.js
  • jQuery
  • Knockout.js
  • Node.js
• LaTeX
• Linux
• Lisp
• Lua
• Mathematica
• Maven
• Mercurial
• .NET (C# / VB / Nemerle / Visual Studio)
• NoSQL
• Oberon
• Objective-C
• OCaml
• Octave
• OpenSCAD
• Oracle Server
• Oracle PL/SQL
• Parrot / Perl 6
• Perl
• PHP
• PowerShell
• Processing
• Prolog
• PostgreSQL
• Python
  • Django
  • Flask
• R
• Racket
• Ruby
• Ruby on Rails
• Rust
• Sage
• Scala
• Scheme
• Scilab
• Scratch
• Sed
• Smalltalk
• Subversion
• SQL (implementation agnostic)
• SQL Server
• Teradata
• TeX
• Theory
• TypeScript
• Vim
• Websphere
• Windows Phone

Meta-Lists

• 25 Free Computer Science Ebooks
• Cheat Sheets (Free)
• E-Books Directory
• Free Smalltalk Books, collected by Stéphane Ducasse
• Free Tech Books
• Hacker Shelf
• Microsoft Press: Free E-Books
• MindView Inc
• O'Reilly's Commons
• O'Reilly's Open Books Project
• TechBooksForFree.com
• Theassayer.org
• Wikibooks: Programming
• JSBooks - directory of free javascript ebooks
• Learn X in Y minutes

Graphics Programming

• DirectX manual (draft)
• Learning Modern 3D Graphics Programming (draft)
• Introduction to Modern OpenGL
• GPU Gems
• GPU Gems 2 - ch 8,14,18,29,30 as pdf
• GPU Gems 3
• Graphics Programming Black Book
• OpenGL Insights (chapters 22, 23, 28, 33, 39)
• ShaderX series
• Tutorials for modern OpenGL

Graphics User Interfaces

• Programming with gtkmm 3

Language Agnostic

Algorithms & Datastructures

• Algorithms and Data-Structures (PDF)
• Algorithms (draft)
• Algorithms Course Materials - Jeff Erickson
• Algorithms, 4th Edition - Robert Sedgewick and Kevin Wayne
• Binary Trees (PDF)
• Clever Algorithms
• Computational Geometry: Algorithms and Applications (chapters 1 and 9, pseudo-code)
• Data Structures and Algorithms: Annotated Reference with Examples
• The Algorithm Design Manual
• Hacker's Delight (chapter 2, code)
• LEDA: A Platform for Combinatorial and Geometric Computing
• Planning Algorithms
• Linked List Basics (PDF)
• Linked List Problems (PDF)
• Open Data Structures
• Purely Functional Data Structures (PDF)
• The Great Tree List Recursion Problem (PDF)
• Matters Computational
• Algorithmic Graph Theory
• Foundations of Computer Science - Al Aho and Jeff Ullman
• A Field Guide To Genetic Programming
• The Art of Computer Programming (fascicles, mostly volume 4)
• Programming Pearls
• Algorithms for Programmers: Ideas and Source Code (PDF)
• Sequential and parallel sorting algorithms
• Text Algorithms (PDF)
• Problem Solving with Algorithms and Data Structures
• Data Structures Succinctly Part 1, Syncfusion (PDF, Kindle) (Just fill the fields with any values)
• Data Structures Succinctly Part 2, Syncfusion (PDF, Kindle) (Just fill the fields with any values)

Theoretical Computer Science

• Structure and Interpretation of Computer Programs
• Programming Languages: Application and Interpretation
• Introduction to Computing
• An Introduction to the Theory of Computation
• Think Complexity - Allen B. Downey

Operating systems

• The Art of Unix Programming
• The Little Book of Semaphores - Allen B. Downey
• Operating Systems and Middleware (PDF and LaTeX)
• Practical File System Design:The Be File System(PDF) - Dominic Giampaolo

Database

• Database Fundamentals (PDF)
• Database-backed Web Sites

Networking

• High-Performance Browser Networking
• The TCP/IP Guide
• Understanding IP Addressing: Everything you ever wanted to know (PDF)
• ZeroMQ Guide
• Network Security Tools
• HTTP Succinctly, Syncfusion (PDF, Kindle) (Just fill the fields with any values)
• Computer Networking: Principles, Protocols and Practice (CNP3) (PDF, EPUB, MOBI + sources) - O. Bonaventure
• Computer Networking: Principles, Protocols and Practice, 2nd edition (CNP3bis) (PDF, EPUB + sources) - O. Bonaventure (in progress)

Compiler Design

• Compiler Construction (PDF)
• Let's Build a Compiler (PDF)
• Linkers and loaders
• Compiler Design: Theory, Tools, and Examples
• Practical and Theoretical Aspects of Compiler Construction (class lectures and slides)
• Basics of compiler design - Torben Mogensen

Programming Paradigms

• Introduction to Functional Programming (class lectures and slides)
• Type Theory and Functional Programming

Parallel Programming

• How to Write Parallel Programs
• High Performance Computing (PDF, ePUB) - Charles Severance & Kevin Dowd
• Is Parallel Programming Hard, And, If So, What Can You Do About It?
• Introduction to Parallel Computing - Blaise Barney
• Programming on Parallel Machines; GPU, Multicore, Clusters and More - Norm Matloff

Software Architecture

• Seamless Object-Oriented Software Architecture (PDF)
• How to write Unmaintainable Code
• Object-Oriented Reengineering Patterns
• Patterns and Practices: Application Architecture Guide 2.0
• The Definitive Guide to Building Code Quality
• Patterns of Software: Tales from the Software Community (PDF)
• Best Kept Secrets of Peer Code Review
• Domain Driven Design Quickly
• Essential Skills for Agile Development
• Guide to the Software Engineering Body of Knowledge
• Programming Reliable Systems (Joe Armstrong's PhD thesis) (PDF)
• How to Design Programs
• NASA Manager Handbook for Software Development (PDF)
• NASA Software Measurement Handbook
• Don't Just Roll the Dice

Open Source Ecosystem

• Data Journalism Handbook
• Free Software, Free Society
• Getting started with Open source development (PDF)
• Innovation Happens Elsewhere
• Producing Open Source Software
• The Cathedral and the Bazaar
• The Architecture of Open Source Applications
• The Future of the Internet
• The Performance of Open Source Applications

Information Retrieval

• Introduction to Information Retrieval

Datamining

• Data Mining and Analysis: Fundamental Concepts and Algorithms (Draft)
• Mining of Massive Datasets
• The Elements of Statistical Learning
• A Programmer's Guide to Data Mining (Draft)

Machine Learning

• Programming Computer Vision with Python
• A Course in Machine Learning
• Computer Vision: Algorithms and Applications
• Bayesian Reasoning and Machine Learning
• Introduction to Machine Learning (PDF)
• Gaussian Processes for Machine Learning
• Information Theory, Inference, and Learning Algorithms
• Artificial Intelligence | Machine Learning - Andrew Ng (Notes, lectures, and problems)
• Probabilistic Models in the Study of Language (Draft, with R code)
• Reinforcement Learning: An Introduction

Mathematics

• Think Bayes: Bayesian Statistics Made Simple - Allen B. Downey
• Think Stats: Probability and Statistics for Programmers (code written in Python) - Allen B. Downey
• Mathematical Logic - an Introduction (PDF)
• Bayesian Methods for Hackers
• Introduction to Statistical Thought
• Mathematics for Computer Science
• Category Theory for Computing Science (PDF)
• Essentials of Metaheuristics by Sean Luke
• Advanced Data Analysis from an Elementary Point of View
• Probability and Statistics Cookbook

Misc

• 97 Things Every Programmer Should Know
• 97 Things Every Programmer Should Know - Extended
• A Mathematical Theory of Communication by Claude E.Shannon
• Asterisk™: The Definitive Guide
• How to Think Like a Computer Scientist
• I Am a Bug
• Learn to Program
• Foundations of Programming
• Communicating Sequential Processes (PDF) by Tony Hoare
• Come, Let's Play: Scenario-Based Programming Using Live Sequence Charts
• Computer Musings (lectures by Donald Knuth)
• How Computers Work
• Data-Intensive Text Processing with MapReduce (PDF)
• Designing Interfaces by Jennifer Tidwell
• Digital Signal Processing For Engineers and Scientists
• Distributed systems for fun and profit
• Flow based Programming
• Getting Real
• Magic Ink: Information Software and The Graphical Interface by Bret Victor
• Modeling Reactive Systems with Statecharts
• PNG: The Definitive Guide
• Pointers And Memory (PDF)
• Programmer's Motivation for Beginners
• Project Oberon (PDF)
• Security Engineering
• Small Memory Software
• SVG Essentials
• Introduction to High-Performance Scientific Computing - Victor Eijkhout
• Object-Oriented Reengineering Patterns - Serge Demeyer, Stéphane Ducasse and Oscar Nierstrasz
• High-Performance Scientific Computing (class lectures and slides)
• Mother Tongues of Computer Languages (PNG)

Web Performance

• Book of Speed by Stoyan Stefanov

MOOC

• MIT OCW
• Coursera
• Udacity
• edX

Professional Development

• Don't Just Roll the Dice (PDF) (RedGate, By Neil Davidson)
• Confessions of an IT Manager (RedGate, By Phil Factor)

Ada

• Ada 95: The Craft of Object-Oriented Programming
• Ada Distilled (PDF)
• Ada for Software Engineers (PDF)

Android

• Google Android Developer Training
• Coreservlets Android Programming Tutorial
• Expert Android and Eclipse development knowledge

APL

• A Practical Introduction to APL1 & APL2
• A Practical Introduction to APL2 & APL3
• Mastering Dyalog APL (PDF)

Autotools

• GNU Autoconf, Automake and Libtool
• Autotools Mythbuster

ASP.NET MVC

• ASP.NET MVC Music Store
• NerdDinner Walkthrough

Assembly Language

• Paul Carter's Tutorial on x86 Assembly
• Professional Assembly Language (PDF)
• Programming from the Ground Up (PDF)
• Software optimization resources by Agner Fog
• The Art of Assembly Language Programming
• x86 Assembly
• Ralf Brown's Interrupt List

Non-X86

• Machine Code for Beginners (PDF) by Lisa Watts and Mike Wharton [Z80 and 6502 CPUs]
• Machine Language for Beginners by Richard Mansfield [6502 CPU]

Bash

• Advanced Bash-Scripting Guide
• Bash Guide for Beginners by Machtelt Garrels
• Lhunath's Bash Guide
• The Command Line Crash Course (also a Powershell reference)

C

• A Tutorial on Pointers and Arrays in C
• Beej's Guide to C Programming
• Beej's Guide to Network Programming
• The C book
• Essential C (PDF)
• Learn C the hard way
• The new C standard - an annotated reference
• Object Oriented Programming in C (PDF)
• C Programming - Wikibooks

C++

• C++ Annotations
• C++ GUI Programming With Qt 3
• CS106X Programming Abstractions in C++
• Matters Computational: Ideas, Algorithms, Source Code, by Jorg Arndt (PDF)
• Software optimization resources by Agner Fog
• Thinking in C++, Second Edition, Vol. 1. (Vol. 2)
• How To Think Like a Computer Scientist: C++ Version - Allen B. Downey
• Also see: The Definitive C++ Book Guide and List
• C++ Succinctly, Syncfusion (PDF, Kindle) (Just fill the fields with any values)
• Learn C++. (PDF, Online)

Clojure

• A Brief Beginner’s Guide To Clojure
• Clojure - Functional Programming for the JVM
• Clojure Cookbook
• Clojure for the Brave and True
• Clojure Programming
• The Clojure Style Guide
• Data Sorcery with Clojure
• Modern cljs
• Clojure Koans

CoffeeScript

• Smooth CoffeeScript
• The Little Book on CoffeeScript

ColdFusion

• CFML In 100 Minutes
• Learn CF in a Week

D

• Programming in D

Dart

• What is Dart?

DTrace

• IllumOS Dynamic Tracing Guide

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

Elasticsearch

• Exploring Elasticsearch

Emacs

• GNU Emacs Manual, 17th Edition, v. 24.2
• An Introduction to Programming in Emacs Lisp, 3rd Edition
• GNU Emacs Lisp Reference Manual

Erlang

• Learn You Some Erlang For Great Good

Flex

• Getting started with Adobe Flex (PDF)
• Adobe Flex 2, Programming Actionscript 3.0 (PDF)

F Sharp

• F Sharp Programming in Wikibooks
• Real World Functional Programming (MSDN Chapters)
• Programming Language Concepts for Software Developers (PDF)
• F# Succinctly, SyncFusion (PDF, Kindle) (Just fill the fields with any values)

Forth

• Starting Forth
• Thinking Forth
• Programming Forth (PDF)
• A Beginner's Guide to Forth
• And so Forth... (PDF)
• Thoughtful Programming and Forth

Git

• Pro Git
• Gitmagic
• Git From The Bottom Up (PDF)
• Git internals (PDF)
• Git Magic
• Git Reference
• Version Control by Example (Mercurial, Subversion, Verasity)
• Git Succinctly, Syncfusion (PDF, Kindle) (Just fill the fields with any values)
• Think Like (a) Git: A Guide for the Perplexed

Go

• The Go Tutorial
• Go by Example
• Learning Go
• An Introduction to Programming in Go
• Network programming with Go

Grails

• Getting Started with Grails

Hadoop

• Hadoop Illuminated - Mark Kerzner & Sujee Maniyam
• Programming Pig - Alan Gates

Haskell

• A Haskell School of Music (PDF) (work in progress)
• Beautiful Code, Compelling Evidence (PDF)
• Haskell and Yesod
• Learn You a Haskell
• Natural Language Processing for the Working Programmer
• Parallel and Concurrent Programming in Haskell
• Real World Haskell
• Wikibook Haskell
• Yet Another Haskell Tutorial (PDF)
• Haskell no panic
• A Gentle Introduction to Haskell
• Speeding Through Haskell
• Learn Haskell Fast and Hard
• Haskell web Programming (Yesod tutorial)

HTML / CSS

• Dive Into HTML5 (PDF)
• GA Dash
• HTML Dog Tutorials
• HTML5 Canvas - Steve Fulton & Jeff Fulton
• HTML5 for Publishers - Sanders Kleinfeld
• Learn CSS Layout

Icon

• The Implementation of the Icon Programming Language

IDL

• Getting Started with IDL
• Guide to Using IDL for Astronomers

iOS

• iOS Succinctly, Syncfusion (PDF, Kindle) (Just fill the fields with any values)

J

• Learning J by Roger Stokes- online || pdf
• J for C Programmers by Henry Rich- online || pdf || word 2003 file
• J Reference Card (PDF)
• Brief Reference by Chris Burke and Clifford Reiter (PDF)
• Computers and Mathematical Notation by Kenneth E Iverson
• Easy J by Linda Alvord, Norman Thomson - pdf || Word DOC
• Math for the Layman by Kenneth E Iverson (zipped html+images)
• Exploring Math by Kenneth E Iverson (PDF)
• Arithmetic by Kenneth E Iverson (PDF)
• Calculus by Kenneth E Iverson (PDF)
• Concrete Math Companion by Kenneth E Iverson (PDF)
• J Primer

Java

• Artificial Intelligence - Foundation of Computational Agents
• Data Structures and Algorithms with Object-Oriented Design Patterns in Java
• Category wise tutorials - J2EE
• Think Java: How to Think Like a Computer Scientist - Allen B. Downey
• Introduction to Programming Using Java - David J. Eck
• Java Application Development on Linux by Carl Albing and Michael Schwarz (PDF) (PDF)
• The Java EE6 Tutorial (PDF)
• Java Thin-Client Programming
• Learning Java - Patrick Niemeyer
• OSGi in Practice (PDF)
• Sun's Java Tutorials
• Thinking in Java

Wicket

• Official Free Online Guide for Apache Wicket framework

JavaScript

• Crockford's JavaScript - Douglas Crockford
• Eloquent JavaScript - Marijn Haverbeke
• Learning JavaScript Design Patterns - Addy Osmani
• JavaScript Bible (PDF)
• JavaScript Essentials
• jQuery Fundamentals (starts with JavaScript basics)
• Mozilla Developer Network's JavaScript Guide
• JavaScript Allongé
• O'Reilly Programming JavaScript Applications - Early Release
• The JavaScript Tutorial
• AngularJS in 60 Minutes (PDF)
• Javascript Succinctly, Syncfusion (PDF, Kindle) (Just fill the fields with any values)
• Dev Docs
• Managing Space and Time with JavaScript - Book 1: The Basics - Noel Rappin

Backbone.js

• Developing Backbone.js Applications
• A Complete guide for learning Backbone.js
• Backbonejs Tutorials

D3.js

• Interactive Data Visualization for the Web
• D3 Tips and Tricks

jQuery

• jQuery Succinctly, Syncfusion (PDF, Kindle) (Just fill the fields with any values)

Knockout.js

• Knockout.js Succinctly (PDF, Kindle) (Just fill the fields with any values)

Node.js

• Mastering Node.js
• Mixu's Node Book
• The Node Beginner Book
• Up and Running with Node

LaTeX

• The Not So Short Introduction to LaTeX (PDF)
• LaTeX Wikibook

See also TeX

Linux

• Advanced Linux Programming
• Getting Started with Ubuntu
• GNU Autoconf, Automake and Libtool
• GTK+/Gnome Application Development
• The Debian Administrator's Handbook
• The Linux Command Line (PDF)
• The Linux Development Platform (PDF) (PDF)
• Linux Device Drivers by Jonathan Corbet, Alessandro Rubini, and Greg Kroah-Hartman
• Linux Kernel in a Nutshell
• The Linux Kernel Module Programming Guide
• Secure Programming for Linux and Unix
• Linux from Scratch
• Ubuntu Pocket Guide and Reference
• What Every Programmer Should Know About Memory (PDF)

Lisp

• Common Lisp the Language, 2nd Edition
• Common Lisp: A Gentle Introduction to Symbolic Computation - David S. Touretzky
• Common Lisp Quick Reference
• Let Over Lambda - 50 Years of Lisp
• Natural Language Processing in Lisp
• On Lisp
• Practical Common Lisp
• Successful Lisp: How to Understand and Use Common Lisp - David Lamkins
• Sketchy LISP - Nils Holm
• Lisp Koans

Lua

• Programming In Lua (for version 5)
• Programming Gems
• Lua 5.1 Reference Manual

Mathematica

• Mathematica® programming: an advanced introduction by Leonid Shifrin
• Stephen Wolfram's The Mathematica Book
• Wolfram Mathematica Tutorial Collection

Maven

• Better Builds with Maven
• Maven by Example
• Maven: The Complete Reference
• Repository Management with Nexus
• Developing with Eclipse and Maven

Mercurial

• Mercurial: The Definitive Guide
• HGInit - Mercurial Tutorial by Joel Spolsky

.NET (C# / VB / Nemerle / Visual Studio)

• C# Essentials
• C# Programming - Wikibook
• C# Yellow Book (intro to programming)
• Charles Petzold's .NET Book Zero
• Data Structures and Algorithms with Object-Oriented Design Patterns in C#
• Entity Framework
• Moving to Microsoft Visual Studio 2010
• Nemerle (PDF)
• Threading in C#
• Visual Basic Essentials
• Visual Studio Tips and Tricks (VS 2003-2005 only)
• Under the Hood of .NET Memory Management (PDF) (RedGate, By Chris Farrell and Nick Harrison)
• Practical Performance Profiling: Improving the efficiency of .NET code (RedGate, By Jean-Philippe Gouigoux)
• .NET Performance Testing and Optimization - The Complete Guide (RedGate, By Paul Glavich and Chris Farrell)

NoSQL

• CouchDB: The Definitive Guide
• The Little MongoDB Book
• The Little Redis Book
• The Little Riak Book
• Graph Databases
• MongoDB Koans

Oberon

• Programming in Oberon (PDF)
• Object-Oriented Programming in Oberon-2 (PDF)

Objective-C

• Programming With Objective-C (PDF)
• Object-Oriented Programming with Objective-C (PDF)
• Objective-C Succinctly, Syncfusion (PDF, Kindle) (Just fill the fields with any values)

OCaml

• Introduction to Objective Caml (PDF)
• Objective Caml for Scientists (first chapter only)
• Unix System Programming in OCaml
• Developing Applications With Objective Caml
• Real World OCaml
• Think OCaml - Allen B. Downey and Nicholas Monje

Octave

• Octave Programming

OpenSCAD

• OpenSCAD User Manual

Oracle Server

• Oracle's Guides and Manuals

Oracle PL/SQL

• PL/SQL Language Reference
• PL/SQL Packages and Types Reference
• Steven Feuerstein's PL/SQL Obsession - Videos and Presentations

Parrot / Perl 6

• Using Perl 6 (work in progress)

Perl

• Beginning Perl
• Embedding Perl in HTML with Mason
• Essential Perl (PDF)
• Extreme Perl
• Higher-Order Perl
• The Mason Book
• Modern Perl 5
• Perl & LWP
• Perl for the Web
• Perl Free Online EBooks (meta-list)
• Learning Perl The Hard Way
• Practical mod_perl
• Web Client Programming with Perl
• Plack Handbook

PHP

• PHP Essentials
• PHP: The Right Way
• Practical PHP Programming (wiki containing O'Reilly's PHP In a Nutshell)
• Symfony2
• Zend Framework: Survive the Deep End
• Laravel Framework
  • Official Documentation (Offline Version)
• Drupal Framework
  • Drupal 6
  • Drupal 7
    • The Tiny Book of Rules (PDF)
    • Master Drupal in 7 hours (PDF)
  • Drupal 8
• PHP Internals Book

PowerShell

• Mastering PowerShell

Processing

• The Nature of Code: Simulating Natural Systems with Processing

Prolog

• Adventure in Prolog
• Applications of Prolog
• Building Expert Systems in Prolog
• Introduction to Prolog for Mathematicians
• Learn Prolog Now!
• Logic, Programming and Prolog (2ed)
• Natural Language Processing Techniques in Prolog
• Prolog Techniques
• Simply Logical
• Visual Prolog 7.2 for Tyros (PDF)

PostgreSQL

• Practical PostgreSQL

Python

• Byte of Python
• Data Structures and Algorithms in Python
• Dive into Python
• Dive into Python 3
• Google's Python Class
• Hacking Secret Cyphers with Python - Al Sweigart
• Hitchiker's Guide to Python!
• How to Think Like a Computer Scientist: Learning with Python
  • How to Think Like a Computer Scientist: Learning with Python, Interactive Edition
• Introduction to Programming Using Python - Cody Jackson
• Invent Your Own Computer Games With Python - Al Sweigart
• Learn Python The Hard Way
• Lectures on scientific computing with python - J.R. Johansson
• Making Games with Python & Pygame - Al Sweigart
• Natural Language Processing with Python
• Porting to Python 3: An In-Depth Guide
• Python Bibliotheca
• Python Cookbook - David Beazley
• Python for Fun
• Python for Informatics: Exploring Information
• Python for you and me
• Python Practice Book
• Python Programming - PDF
• Python Scientific Lecture Notes
• Snake Wrangling For Kids
• The Art and Craft of Programming
• The Programming Historian - William J. Turkel, Adam Crymble and Alan MacEachern
• Think Python - Allen B. Downey
• Problem Solving with Algorithms and Data Structures
• Python Module of the Week
• Wikibooks: Python Programming
• Python Koans

Django

• Djen of Django
• Django by Example
• Django by Example for Django 1.5
• Tango With Django
• Deploy Django

Flask

• The Flask Mega-Tutorial

R

• The R Inferno (PDF)
• The R Manuals
• The R Language
• R by example
• Introduction to Probability and Statistics Using R (PDF)
• Advanced R Programming
• R practicals (PDF)
• R for spatial analysis (PDF)
• Learning Statistics with R
• R language for Programmers

Racket

• Programming Languages: Application and Interpretation
• The Racket Guide

Ruby

• The Bastards Book of Ruby
• Learn Ruby the hard way
• MacRuby: The Definitive Guide
• Mr. Neighborly's Humble Little Ruby Book
• Programming Ruby
• Why's (Poignant) Guide to Ruby (mirror)
• Ruby Hacking Guide
• Ruby Best Practices (PDF)
• RubyMonk - Interactive Ruby tutorials
• A community-driven Ruby style guide
• CodeCademy Ruby
• How To Think Like a Computer Scientist: Learning With Ruby
• Ruby in Twenty Minutes
• Ruby Essentials
• Ruby User's Guide
• Ruby Programming
• Ruby Learning
• Try Ruby
• Ruby Koans
• Ruby User's Guide
• The Little Book Of Ruby
• Mr. Neighborly's Humble Little Ruby Book

Ruby on Rails

• Ruby on Rails Tutorial: Learn Rails By Example
• Objects on Rails
• Ruby on Rails Guides
• A community-driven Rails style guide
• Upgrading to Rails 4

Rust

• Rust for Rubyists

Sage

• The Sage Manuals
• Sage for Newbies
• Sage for Power Users (PDF)

Scala

• Another tour of Scala
• Effective Scala
• Exploring Lift (published earlier as "The Definitive Guide to Lift", PDF)
• Lift
• Pro Scala: Monadic Design Patterns for the Web
• Programming in Scala, First Edition
• Programming Scala
• Scala By Example (PDF)
• Scala School by Twitter
• A Scala Tutorial for Java programmers (PDF)
• Xtrace

Scheme

• Concrete Abstractions: An Introduction to Computer Science Using Scheme
• The Scheme Programming Language Edition 3, Edition 4
• Simply Scheme: Introducing Computer Science
• Teach Yourself Scheme in Fixnum Days

Scilab

• Introduction to Scilab
• Programming in Scilab
• Writing Scilab Extensions

Scratch

• Computer Science Concepts in Scratch

Sed

• Sed - An Introduction and Tutorial

Smalltalk

• Computer Programming using GNU Smalltalk (PDF)
• Dynamic Web Development with Seaside
• Free Online Smalltalk Books (meta-list)
• Pharo by Example (Smalltalk DE)
• Squeak By Example (Smalltalk IDE)

Subversion

• Subversion Version Control (PDF)
• Version Control with Subversion

SQL (implementation agnostic)

• Developing Time-Oriented Database Applications in SQL
• Use The Index, Luke!: A Guide To SQL Database Performance
• Learn SQL The Hard Way

SQL Server

• Introducing Microsoft SQL Server 2008 R2
• Introducing Microsoft SQL Server 2012
• SQL Server 2012 Tutorials: Reporting Services
• SQL Server Execution Plans (PDF) (RedGate, By Grant Fritchey)
• Defensive Database Programming (PDF) (RedGate, By Alex Kuznetsov)
• SQL Server Execution Plans, Second Edition (PDF) (RedGate, By Grant Fritchey)
• Inside the SQL Server Query Optimizer (RedGate, By Benjamin Nevarez)
• 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)
• SQL Server Concurrency: Locking, Blocking and Row Versioning (RedGate, By Kalen Delaney)
• SQL Server Backup and Restore (RedGate, By Shawn McGehee)
• Troubleshooting SQL Server: A Guide for the Accidental DBA (RedGate, By Jonathan Kehayias and Ted Krueger)
• SQL Server Hardware (RedGate, By Glenn Berry)
• SQL Server Statistics (RedGate, By Holger Schmeling)
• Performance Tuning with SQL Server Dynamic Management Views (RedGate, By Tim Ford and Louis Davidson)
• Brad's Sure Guide to SQL Server Maintenance Plans (RedGate, By Brad McGehee)
• Best of SQLServerCentral.com Vol 7 (RedGate, By SQLServerCentral Authors)
• Protecting SQL Server Data (RedGate, By John Magnabosco)
• SQL Server Tacklebox (RedGate, By Rodney Landrum)
• How to Become an Exceptional DBA (RedGate, By Brad McGehee)
• SQL Server Stumpers Vol.5 (RedGate, By SQLServerCentral Authors)
• Mastering SQL Server Profiler (RedGate, By Brad McGehee)

Teradata

• Teradata Books

TeX

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

See also LaTeX

Theory

• Networks, Crowds, and Markets: Reasoning About a Highly Connected World
• Homotopy Type Theory: Univalent Foundations of Mathematics (PDF)

TypeScript

• TypeScript Succinctly, Syncfusion (PDF, Kindle) (Just fill the fields with any values)

Vim

• A Byte of Vim
• Vim Recipes (PDF)
• Vi Improved -- Vim (PDF) by Steve Oualline
• Learn Vimscript the Hard Way
• Learn Vim Progressively

Websphere

• Getting started with WebSphere (PDF)

Windows Phone

• Programming Windows Phone 7