Show us your gems!

FalenRogue is back! And he and Chad Fower are showing us their gems. Here is mine modest collection at work computer that use mostly for Java. I will upadte it soon with my home collection.

actionmailer (1.2.3, 1.1.5, 1.1.2)
  Service layer for easy email delivery and testing.

actionpack (1.12.3, 1.11.2, 1.10.2)
  Web-flow and rendering framework putting the VC in MVC.

actionwebservice (1.1.4, 1.0.0, 0.9.2)
  Web service support for Action Pack.

activerecord (1.14.3, 1.13.2, 1.12.2)
  Implements the ActiveRecord pattern for ORM.

activesupport (1.3.1, 1.2.5, 1.2.2)
  Support and utility classes used by the Rails framework.

capistrano (1.1.0)
  Capistrano is a framework and utility for executing commands in
  parallel     on multiple remote machines, via SSH. The primary goal
  is to simplify and     automate the deployment of web applications.

fxri (0.3.2)
  Graphical interface to the RI documentation, with search engine.

fxruby (1.2.6)
  FXRuby is the Ruby binding to the FOX GUI toolkit.

needle (1.3.0)
  Needle is a Dependency Injection/Inversion of Control container for
  Ruby. It supports both type-2 (setter) and type-3 (constructor)
  injection. It takes advantage of the dynamic nature of Ruby to
  provide a rich and flexible approach to injecting dependencies.

net-sftp (1.1.0)
  Net::SFTP is a pure-Ruby implementation of the SFTP client protocol.

net-ssh (1.0.8)
  Net::SSH is a pure-Ruby implementation of the SSH2 client protocol.

rails (1.1.4, 1.0.0, 0.14.2)
  Web-application framework with template engine, control-flow layer,
  and ORM.

rake (0.7.1, 0.7.0, 0.6.2)
  Ruby based make-like utility.

RedCloth (3.0.4)
  RedCloth is a module for using Textile and Markdown in Ruby. Textile
  and Markdown are text formats.  A very simple text format. Another
  stab at making readable text that can be converted to HTML.

sources (0.0.1)
  This package provides download sources for remote gem installation