Usermin is a web-based interface for webmail, password changing, mail filters, fetchmail and much more.
A web interface to syslog and other network event data. It provides easy browsing, analysis of real-time network events and reporting services.
Shell In A Box is a web based terminal emulator.
Visualize used disk space in your Greyhole storage pool.
Originally written for Wikipedia. It is now used by several other projects of the non-profit Wikimedia Foundation and by many other wikis.
Greyhole is an application that uses Samba to create a storage pool of all your available hard drives.