Better-Programming-Through-Testing is a project mainly written in ..., it's free.
Student repo for "Better Programming Through Testing" class
Recommended Modules For Testing on the Perl 5 Wiki http://www.perlfoundation.org/perl5/index.cgi?recommended_modules_for_testing
Git explained in terms of Subversion http://git.or.cz/course/svn.html
git-svn workflow http://andy.delcambre.com/2008/03/04/git-svn-workflow.html
Dan Dascalescu (dandv) has summarized the talk at http://wiki.dandascalescu.com/summaries/michael_schwern_-_better_programming_through_testing
Work on Test::Sims is occuring at: http://github.com/schwern/Test-Sims/