Sakai is a freely available, feature-rich technology solution for learning, teaching, research and collaboration. Sakai is an open source software suite developed by a diverse and global adopter community.
Hyrax is a Ruby on Rails Engine built by the Samvera community. Hyrax provides a foundation for creating many different digital repository applications.
Implements 'cancelled' sharing-features of Google Reader for the excellent open-source RSS-Reader TinyTiny-RSS: share any page on the web via a bookmarklet and show your shared items in a widget on any website you want. Also allow to import shared&starred articles from Google Reader.
Apache OFBiz is a suite of business applications flexible enough to be used across any industry. A common architecture allows developers to easily extend or enhance it to create custom features.
Airtime is Sourcefabric’s open source radio software for scheduling and remote station management. Airtime provides a reliable audio playout with sub-second precision, an improved interface with modern usability features, advanced user management supporting roles and a Google-style calendar to schedule and move shows and playlists.