gem list --local

*** LOCAL GEMS ***

actionmailer (1.3.3)
actionpack (1.13.3)
actionwebservice (1.2.3)
activerecord (1.15.3)
activeresource (0.9.0)
activesupport (1.4.2)
builder (2.1.2)
camping (1.5)
cgi_multipart_eof_fix (2.5.0)
daemons (1.0.9)
eventmachine (0.12.8)
fastthread (1.0.1)
fcgi (0.8.7)
gem_plugin (0.2.3)
markaby (0.5)
memcache-client (1.7.2)
metaid (1.0)
mongrel (1.1.5)
passenger (2.2.2)
rack (1.0.0)
rails (1.2.3)
rake (0.8.2)
ruby-openid (2.1.6)
test-spec (0.10.0)
thin (1.2.2, 1.0.0)