Websites
Apress Free E-Book
Freely available PHP, Perl, VB.Net and C# books from Apress, a publishing company devoted to meeting the needs of programming professionals.
Bruce Perens’ Open Source Series
Online books published by Prentice Hall PTR, focuses on Linux and Open Source technologies, including new and emerging technologies.
Free Books from The National Academies Press
National Academies Press offers many titles in electronic Adobe PDF format. Hundreds of these books can be downloaded for free by the chapter or the entire book, while others are available for purchase. Topics include science and engineering.
George Benthien’s Numerical Mathematics Tutorials
A collection of tutorials and technical papers by Dr. George Benthien.
Heaton Research’s Online Books
Heaton Research is a technical book publishing company specializing in topics such as neural networks, bots, and computer hardware. All of their books have between 50-75% of their content posted online.
mikroElektronika’s Free Online Books
Free books available from mikroElektronika, provides valuable lessons in electronics and microcontrollers.
MIT’s OpenCourseWare
A free and open publication of MIT course materials for faculty, students, and self-learners around the world.
O’Reilly Open Books Project
Free books from O’Reilly, with various forms of “open” copyright. Some are new, while others are out-out-print.
Paul’s Online Math Notes
A complete set of free online (and downloadable) math notes and/or tutorials for classes that the author teaches at Lamar University. They include topics such as algebra, calculus, linear algebra and differential equations.
Stef’s Free Online Smalltalk Books
A collection of favourite yet out-of-print SmallTalk books, courtesy of Stéphane Ducasse. Publication date ranges from 1983 to 2000.
The Linux Documentation Project (LDP)
Lots of free GNU/Linux books, fresh updates.
Wikibooks Open Content Textbooks
A Wikimedia community for creating a free library of educational textbooks that anyone can edit. Includes over 27,000 pages in a multitude of textbooks.
![[BlogMarks]](http://www.booksbase.com/wordpress/wp-content/plugins/bookmarkify/blogmarks.png)
![[del.icio.us]](http://www.booksbase.com/wordpress/wp-content/plugins/bookmarkify/delicious.png)
![[Digg]](http://www.booksbase.com/wordpress/wp-content/plugins/bookmarkify/digg.png)
![[diigo]](http://www.booksbase.com/wordpress/wp-content/plugins/bookmarkify/diigo.png)
![[dzone]](http://www.booksbase.com/wordpress/wp-content/plugins/bookmarkify/dzone.png)
![[Friendsite]](http://www.booksbase.com/wordpress/wp-content/plugins/bookmarkify/friendsite.png)
![[Google]](http://www.booksbase.com/wordpress/wp-content/plugins/bookmarkify/google.png)
![[MySpace]](http://www.booksbase.com/wordpress/wp-content/plugins/bookmarkify/myspace.png)
![[MyWeb]](http://www.booksbase.com/wordpress/wp-content/plugins/bookmarkify/myweb.png)
![[Reddit]](http://www.booksbase.com/wordpress/wp-content/plugins/bookmarkify/reddit.png)
![[Slashdot]](http://www.booksbase.com/wordpress/wp-content/plugins/bookmarkify/slashdot.png)
![[Windows Live]](http://www.booksbase.com/wordpress/wp-content/plugins/bookmarkify/windowslive.png)
![[Yahoo!]](http://www.booksbase.com/wordpress/wp-content/plugins/bookmarkify/yahoo.png)
![[Email]](http://www.booksbase.com/wordpress/wp-content/plugins/bookmarkify/email.png)