Shell In A Box is a web based terminal emulator.
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.
Amahi Netboot allows you to boot a computer on your local network off of an image stored on your HDA.
Nextcloud is open source file sync and share software for everyone from individuals to large enterprises and service providers.