Gems5 rcov 1.0.0 3,706,254 January 21, 2012 rcodetools 0.8.5.0 834,247 April 23, 2009* fastri 0.3.1.1 585,039 February 01, 2008* call_stack 0.1.0.0 16,031 September 06, 2006* evil-ruby 0.1.0 6,355 April 02, 2007*