Programming Languages
Assembly Language	Bash	C / C++
C#	Clojure	ColdFusion
Delphi / Pascal	Erlang	F#
Forth	Haskell	HTML / CSS
Java	JavaScript	Latex
Lisp	Lua	Nemerle
Oberon	Objective-C	OCaml
Oracle PL/SQL	Parrot / Perl 6	Perl
PHP	PowerShell	Prolog
Python	R	Ruby
Scala	Scheme	Smalltalk
SQL
Frameworks
ASP.NET MVC	Django	Flex
Grails	.NET	Ruby on Rails
Tools
DB2	Git	Linux
Maven	Mercurial	NoSQL
Oracle Server	PostgreSQL	Subversion
Vim	Emacs
General Topics
Graphics Programming	Language Agnostic

Graphics Programming

• GPU Gems


• GPU Gems 2 - ch 8,14,18,29,30 as pdf


• GPU Gems 3


• Graphics Programming Black Book


• ShaderX series


• DirectX manual (draft)


• Learning Modern 3D Graphics Programming (draft)

Language Agnostic

• Object-Oriented Reengineering Patterns


• Foundations of Programming


• Computer Musings (lectures by Donald Knuth)


• The Cathedral and the Bazaar


• Patterns and Practices: Application Architecture Guide 2.0


• Security Engineering


• Digital Signal Processing For Engineers and Scientists


• Getting Real


• Domain Driven Design Quickly


• OO Design


• Best Kept Secrets of Peer Code Review


• NASA Software Measurement Handbook


• NASA Manager Handbook for Software Development (PDF)


• Introduction to Functional Programming (class lectures and slides)


• How to Design Programs


• Guide to the Software Engineering Body of Knowledge


• Online Course Materials


• Algorithms (draft)


• Data Structures and Algorithms


• Essential Skills for Agile Development


• Programming Languages: Application and Interpretation


• Learn to Program


• Patterns of Software: Tales from the Software Community (PDF)


• How to write Unmaintainable Code


• The Art of Unix Programming


• The Definitive Guide to Building Code Quality


• How to Think Like a Computer Scientist


• Planning Algorithms


• Mathematical Logic - an Introduction (PDF)


• An Introduction to the Theory of Computation


• Developers Developers Developers Developers (broken download link?)


• Linkers and loaders


• Let's Build a Compiler


• Producing Open Source Software


• How to Write Parallel Programs


• Don't Just Roll the Dice


• 97 Things Every Programmer Should Know


• How Computers Work


• Introduction to Information Retrieval


• Is Parallel Programming Hard, And, If So, What Can You Do About It?


• Matters Computational


• Type Theory and Functional Programming


• Getting started with Open source development (PDF)


• Database Fundamentals (PDF)


• Clever Algorithms


• Summary of the GoF Design Patterns


• Flow based Programming


• Algorithms and Data-Structures (PDF)


• Compiler Construction (PDF)


• Project Oberon (PDF)


• The Little Book of Semaphores


• Essential Skills for Agile Development


• I Am a Bug


• Mining of Massive Datasets


• Data-Intensive Text Processing with MapReduce (PDF)


• Understanding IP Addressing: Everything you ever wanted to know (PDF)


• Operating Systems and Middleware (PDF and LaTeX)


• Think Stats: Probability and Statistics for Programmers (PDF, code written in Python)


• The Architecture of Open Source Applications

ASP.NET MVC

• NerdDinner Walkthrough

Assembly Language

• ProgrammingGroundUp (PDF)


• Paul Carter's Tutorial on x86 Assembly


• Software optimization resources by Agner Fog

Bash

• Advanced Bash-Scripting Guide


• Lhunath's Bash Guide

C / C++

• The new C standard - an annotated reference


• Matters Computational: Ideas, Algorithms, Source Code, by Jorg Arndt


• The C book


• Thinking in C++, Second Edition


• C++ Annotations


• Software optimization resources by Agner Fog


• Introduction to Design Patterns in C++ with Qt 4 (PDF)


• Object Oriented Programming in C (PDF)


• Beej's Guide to Network Programming


• Learn C the hard way


• Also see: The Definitive C++ Book Guide and List

C#

• C# School (covers C# 1.0 and 2.0)


• Threading in C#


• C# Yellow Book (intro to programming)


• C# Programming - Wikibook


• C# Essentials


• Data Structures and Algorithms with Object-Oriented Design Patterns in C#


• Illustrated C# 2008 (.zip, dead link)

Clojure

• Clojure Programming

ColdFusion

• CFML In 100 Minutes

DB2

• Getting started with IBM Data Studio for DB2 (PDF)


• Getting started with IBM DB2 development (PDF)


• Getting started with DB2 Express-C (PDF)

Delphi / Pascal

• Essential Pascal Version 1 and 2


• The Tomes of Delphi

Django

• Djangobook.com

Erlang

• Learn You Some Erlang For Great Good

Flex

• Getting started with Adobe Flex (PDF)

F#

• The F# Survival Guide


• F Sharp Programming in Wikibooks


• Real World Functional Programming (MSDN Chapters)

Forth

• Starting Forth


• Thinking Forth

Git

• Pro Git


• The Git Community Book


• Git From The Bottom Up (PDF)

Grails

• Getting Start with Grails

Haskell

• Learn You a Haskell


• Real World Haskell

HTML / CSS

• Dive Into HTML5


• HTML Dog Tutorials

Java

• Sun's Java Tutorials


• Thinking in Java


• How to Think Like a Computer Scientist


• Java Thin-Client Programming


• OSGi in Practice (PDF)


• Java 6 Tutorial (PDF)

JavaScript

• Eloquent JavaScript


• Crockford's JavaScript


• jQuery Fundamentals (starts with JavaScript basics)


• Mozilla Developer Network's JavaScript Guide


• Essential Javascript & jQuery Design Patterns for Beginners

JavaScript (Node.js specific)

• Up and Running with Node


• The Node Beginner Book


• Mastering Node.js

Latex

• The Not So Short Introduction to LATEX (perfect for beginners)

Linux

• Advanced Linux Programming

Lisp

• COMMON LISP: An Interactive Approach


• A Short Course in Common Lisp


• Structure And Interpretation of Computer Programs


• A Gentle Introduction to Symbolic Computation (PDF)


• Practical Common Lisp


• On Lisp


• ANSI Common Lisp


• Common Lisp the Language, 2nd Edition


• Successful Lisp


• Let Over Lambda - 50 Years of Lisp


• Natural Language Processing in Lisp

Lua

• Programming In Lua (for v5 but still largely relevant)


• Lua Programming Gems (not entirely free, but has a lot of free chapters and accompanying code)

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

Nemerle

• Nemerle

.NET

• C# School (covers C# 1.0 and 2.0)


• Visual Studio Tips and Tricks (VS 2003-2005 only)


• Entity Framework


• Charles Petzold's .NET Book 0


• Threading in C#


• C# Yellow Book (intro to programming)


• C# Programming - Wikibook


• C# Essentials


• Data Structures and Algorithms with Object-Oriented Design Patterns in C#


• Nemerle

NoSQL

• CouchDB: The Definitive Guide


• The Little MongoDB Book

Oberon

• Programming in Oberon (PDF)

Objective-C

• The Objective-C Programming Language

OCaml

• Unix System Programming in OCaml


• Introduction to OCaml (PDF)

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

• Higher-Order Perl


• Perl The Hard Way


• Extreme Perl


• Perl Free Online EBooks (meta-list)


• The Mason Book


• Practical mod_perl


• Beginning Perl


• Embedding Perl in HTML with Mason


• Perl & LWP


• Perl for the Web


• Web Client Programming with Perl


• Modern Perl 5

PHP

• Symfony2


• Practical PHP Programming (wiki containing O'Reilly's PHP In a Nutshell)


• Zend Framework: Survive the Deep End

PowerShell

• Mastering PowerShell

Prolog

• Building Expert Systems in Prolog


• Adventure in Prolog


• Prolog Programming A First Course


• Logic, Programming and Prolog (2ed)


• Introduction to Prolog for Mathematicians


• Learn Prolog Now!


• Natural Language Processing in Prolog


• Natural Language Processing Techniques in Prolog


• Prolog techniques


• Applications of Prolog


• Simply logical

PostgreSQL

• Practical PostgreSQL

Python

• Byte of Python


• Building Skills in Python Version 2.5


• Python Bibliotheca


• Think Python (PDF)


• Data Structures and Algorithms in Python


• Dive into Python


• How to Think Like a Computer Scientist: Learning with Python


• Python for Fun


• Invent Your Own Computer Games With Python


• Learn Python The Hard Way


• Thinking in Python


• The Django Book


• Snake Wrangling For Kids


• Natural Language Processing with Python

R

• The R Manuals


• The R Language


• R by example


• Computational Statistics, Jeremy Penzer

Ruby

• Programming Ruby


• Why's (Poignant) Guide to Ruby (mirror)


• Mr. Neighborly's Humble Little Ruby Book


• Ruby Best Practices


• MacRuby: The Definitive Guide


• Learn Ruby the hard way

Ruby on Rails

• Ruby on Rails Tutorial: Learn Rails By Example

Scala

• Programming in Scala, First Edition


• A Scala Tutorial for Java programmers (PDF)


• Scala By Example (PDF)


• Programming Scala


• Xtrace (Github)


• Lift (Github)


• Pro Scala: Monadic Design Patterns for the Web


• Exploring Lift (published earlier as "The Definitive Guide to Lift", PDF)

Scheme

• The Scheme Programming Language (Edition 4)

Smalltalk

• Free Online Smalltalk Books (meta-list)


• Squeak By Example (Smalltalk IDE)

Subversion

• Subversion Version Control (PDF)


• Version Control with Subversion

SQL

• Developing Time-Oriented Database Applications in SQL


• Use The Index, Luke! (a guide to SQL database performance for developers)


• Learn SQL The Hard Way

Vim

• A Byte of Vim


• Vim Recipes

Emacs

• An Introduction to Programming in Emacs Lisp (Third Edition)


• GNU Emacs manual