RainLoop webmail application has a modern user interface to handle large number of email accounts without the need of any database connectivity
Mediatomb is an UPnP MediaServer that allows you to stream your digital media through your home network using a variety of UPnP compatible devices.
HTPC Manager combines all your favorite software into one slick interface. Do all your HTPC tasks without using 5 different interfaces!
Amahi DLNA is a high quality DLNA server, an Amahi-customized port of MiniDLNA (aka ReadyDLNA), which aims to be fully compliant with all DLNA/UPnP-AV clients.
Web based audio and video streaming application and file manager allowing you to access your music and videos from anywhere. Supports most Internet enabled devices.
Pydio is an open source software that turns instantly any server (on premise, NAS, cloud IaaS or PaaS) into a file sharing platform for your company.