Gems2Filter by gem name×Sort gems byMost recently publishedNumber of downloadsAlphabeticalApply sortSort: Number of downloadsMost recently publishedNumber of downloadsAlphabeticalNo gems match your filter. Box2d 1.4.3 19,053 September 08, 2009 box2d 1.4.3 14,691 December 24, 2007*This gem version was imported to RubyGems.org on July 25, 2009. The date displayed was specified by the author in the gemspec.