Gitdex is a project mainly written in Ruby, based on the MIT license.
Redis and IndexTank backed git repository search
Gitdex is my entry for IndexTank's holiday search competition. Gitdex has a predefined set of interesting github repositories that are fully indexed and searchable via the IndexTank API.
Gitdex is a Sinatra app that uses IndexTank and Redis.
Competition details at http://blog.indextank.com/93/holiday-hacks-indextank-heroku/
Gitdex is licensed under the MIT license