Gems3 datamapper 1.2.0 544,299 October 13, 2011 rails_datamapper 1.0.2 30,136 September 08, 2010 dm_is_a_tree 0.2.0 6,003 December 06, 2007*This gem version was imported to RubyGems.org on July 25, 2009. The date displayed was specified by the author in the gemspec.