parabola - http://parabola.aeonblue.dk/trac
parabola is a browser based news feed aggregator. It is written using Ruby on Rails and uses the quite excellent FeedTools module for all the parsing of feeds. - [Read more]

Hula Project - Hula - http://www.hula-project.org/Hula_Project
Hula is a calendar and mail server whose goal is to be fun and easy to use, while scaling effortlessly from small groups to large organizations with thousands of members. Hula is an open source project led by Novell (http://www.novell.com). - [Read more]