Mayan EDMS - Document management without the headaches.
LAN Messenger - LAN Messenger is a decentralized UDP IM-style chat client which supports usernames...
Nuxeo - Nuxeo provides a hyperscale digital asset platform, enabling organizations to unlock the full value of all enterprise digital assets.
MyChat - Secure instant messenger for any network
NemakiWare - NemakiWare is an Open Source CMIS-compliant platform for document management.
Bopup IM Suite - Organize secure messaging system and communicate instantly via self-hosted IM server.