http://twitter.github.com/ospriet/
This link is now broken.
about:
Ospriet is a moderation tool that allows for audiences to post and vote on questions/comments for talks, presentations, and events. The application is written in node.js, uses MongoDB for database storage, and is designed for deployment on nodejitsu.
Birdfeeder is the prototype implementation of a RESTful, interoperable, Internet-scale microblogging protocol, tentatively called Fethr (Featherweight Entangled Timelines over HTTP Requests). It proposes all the traditionnal features of the microblogging. Can be tested at http://river.cs.rice.edu/bird/
