Programming Manuals, Books, and Articles

Lists

• Victor Felder's List of Free Programming Books
• O'Reilly Free Programming Ebooks

Books

Emacs

• GNU Manuals Online
• GNU Emacs Manual
• Programming in Emacs Lisp

LISP

• Common Lisp: A Gentle Introduction to Symbolic Computation (pdf)
• On Lisp
• Interpreting Lisp (pdf)
• Practical Common Lisp

Ruby

• Programming Ruby
• Learn to Program
• Learn Ruby the Hard Way
• Ruby Best Practices
• Ruby on Rails Tutorial

Javascript

• Eloquent JavaScript
• Essential JavaScript Design Patterns For Beginners
• jQuery Fundamentals
• Mastering NodeJS
• The Node Beginner Book

General Programming

• The Art of Unix Programming

Articles

• Out of the Tarpit (pdf)