Gems5 rcov 0.8.1.2.0 3,692,538 September 24, 2009 rcodetools 0.8.5.0 828,276 April 23, 2009* fastri 0.3.1.1 582,107 February 01, 2008* call_stack 0.1.0.0 15,974 September 24, 2009 evil-ruby 0.1.0 6,322 April 02, 2007*