I had a blog post here:
http://www.gep13.co.uk/blog/free-ebooks/
which listed some free eBooks that I was aware of. I have taken the programming related ones, and added them to this list.
* [Version Control by Example (Mercurial, Subversion, Verasity)](http://www.ericsink.com/vcbe/)
* [Git Succinctly, Syncfusion](http://www.syncfusion.com/resources/techportal/ebooks/git) (PDF, Kindle) *(Just fill the fields with any values)*
* [Think Like (a) Git: A Guide for the Perplexed](http://think-like-a-git.net)
* [Think Like (a) Git: A Guide for the Perplexed](http://think-like-a-git.net)
* [Git In The Trenches](http://cbx33.github.io/gitt/index.html)
###Go
@ -977,10 +981,14 @@ See also [TeX](#tex)
###Scratch
* [Computer Science Concepts in Scratch](http://stwww.weizmann.ac.il/g-cs/scratch/scratch_en.html)
###Security
* [OWASP Top 10 for .NET Developers](http://www.troyhunt.com/2011/12/free-ebook-owasp-top-10-for-net.html)
###Sed
* [Sed - An Introduction and Tutorial](http://www.grymoire.com/Unix/Sed.html)
###Silverlight
* [10 Laps around Silverlight 5](http://www.silverlightshow.net/ebooks/10laps_silverlight5.aspx)
###Smalltalk
* [Computer Programming using GNU Smalltalk](http://www.canol.info/books/computer_programming_using_gnu_smalltalk) (PDF)
@ -1061,4 +1069,11 @@ See also [LaTeX](#latex)
###Windows Phone
* [Programming Windows Phone 7](http://blogs.msdn.com/b/microsoft_press/archive/2010/10/28/free-ebook-programming-windows-phone-7-by-charles-petzold.aspx)
* [Programming Windows Phone 7](http://blogs.msdn.com/b/microsoft_press/archive/2010/10/28/free-ebook-programming-windows-phone-7-by-charles-petzold.aspx)
* [Windows Phone Toolkit In Depth 3rd Edition](http://www.geekchamp.com/marketplace/components/windows-phone-toolkit-in-depth-3rd-edition)
* [Windows Phone Programming Blue Book](http://www.geekchamp.com/marketplace/components/windows-phone-toolkit-in-depth-3rd-edition)
* [Developing An Advanced Windows Phone 7.5 App That Connects To The Cloud](http://coolthingoftheday.blogspot.co.uk/2012/05/free-ebook-guidance-advanced-windows.html)
###Windows 8
* [Programming Windows 8 Apps with HTML, CSS, and JavaScript](http://blogs.msdn.com/b/microsoft_press/archive/2012/06/04/free-ebook-programming-windows-8-apps-with-html-css-and-javascript-first-preview.aspx)