BitNami RubyStack provides a fast, easy way to develop and deploy Ruby on Rails applications. It includes Ruby, Subversion, MySQL, SQLite, ImageMagick, and several Ruby Gems, and will optionally install Apache 2.2 with rewrite and proxy support. It supports Windows, Linux, and OS X, so you can share the same Rails environment on multiple platforms.
GridWay is a workload manager that performs job execution management and resource brokering on a grid consisting of distinct computing platforms managed by Globus services. It enables large- scale, reliable, and efficient sharing of computing resources managed by different Local Resource Management systems within a single organization (enterprise grid) or scattered across several administrative domains (partner or supply-chain grid).
BitNami Tracks Stack is an all-in-one cross-platform installer for Tracks, a Web-based application to help you implement David Allen's Getting Things Done methodology. It installs Tracks, Ruby On Rails, and everything else necessary to have a running program in minutes. It works on Windows, Linux, and OS X.