Gems5 rcov 0.8.1.2.0 3,687,327 September 24, 2009 rcodetools 0.8.5.0 827,928 April 23, 2009* fastri 0.3.1.1 581,900 February 01, 2008* call_stack 0.1.0.0 15,966 September 24, 2009 evil-ruby 0.1.0 6,307 April 02, 2007*