Since Mike and Chad have already posted theirs, here’s my gem list | grep ‘[ ]’:
actionmailer (1.3.1, 1.2.5, 1.2.3, 1.2.1, 1.0.1) actionpack (1.13.1, 1.12.5, 1.12.3, 1.12.1, 1.9.1) actionwebservice (1.2.1, 1.1.6, 1.1.4, 1.1.2, 0.8.1) activerecord (1.15.1, 1.14.4, 1.14.3, 1.14.2, 1.11.1) activesupport (1.4.0, 1.3.1, 1.1.1) audioscrobbler (0.0.1) badger (1.0.0) barcode (0.2) BlueCloth (1.0.0) builder (2.0.0) capistrano (1.2.0, 1.1.0) capistrano-ext (1.1.0, 1.0.1) cgi_multipart_eof_fix (2.0.2) cocoa_dialog (0.0.2) color-tools (1.3.0) cooloptions (1.1.0) daemons (1.0.4, 1.0.2, 0.4.4) dhaka (0.0.6, 0.0.5) diff-lcs (1.1.2) fastercsv (1.0.0) fastthread (0.6.2) fcgi (0.8.7, 0.8.6.1) gem_plugin (0.2.2, 0.2.1) greenbar (1.0.1, 0.2.1) gruff (0.2.8, 0.2.4, 0.1.2) hoe (1.1.6, 1.1.2) hpricot (0.4) instiki (0.10.2) json (0.4.2) keybox (1.0.0) keyword_search (1.0.2) libxml-ruby (0.3.8) madeleine (0.7.3, 0.7.1) mailfactory (1.2.3) memcache-client (1.2.0, 1.0.3) mime-types (1.15) mongrel (1.0.1, 0.3.13.4, 0.3.13.3, 0.3.12.4) mongrel_cluster (0.2.1, 0.2.0) mysql (2.7) needle (1.3.0) net-sftp (1.1.0) net-ssh (1.0.10, 1.0.9, 1.0.8) open4 (0.9.1) paginator (1.0.8, 1.0.7, 1.0.5, 1.0.0) pdf-writer (1.1.3) peggy (0.1.0) piston (1.2.0, 1.1.1) radiant (0.5.2) radius (0.5.1) rails (1.2.1, 1.1.6, 1.1.4, 1.1.2, 0.13.1) rails_gem_plugin_shim (1.0.0) rake (0.7.1) rcov (0.7.0.1) RedCloth (3.0.4, 3.0.3) rmagick (1.14.1, 1.11.1, 1.10.1) rspec (0.6.4, 0.5.13) rubyforge (0.3.2, 0.3.0) rubygems-update (0.9.0) rubyosa (0.1.0) rubyzip (0.9.1, 0.5.8) ruport (0.6.1) scruffy (0.2.2) sources (0.0.1) spacesuit (1.2.0) syntax (1.0.0) tattle (1.0.3, 1.0.2, 1.0.0) termios (0.9.4) Text (1.1.0) transaction-simple (1.3.0) twfy (1.0.0) twitter (0.0.2) tzinfo (0.3.2, 0.3.1) xhtmldiff (1.0.0) ZenTest (3.4.1, 3.2.0)