aStor is a network attached storage configurable via user-friendly web-interface. Based on Einarc (a universal storage RAID command line interface) and GNU/Linux. aStor provides file-based access. Currently it supports CIFS, NFS, FTP.
Thetis is the world strongest Groupware/CMS based on Ruby on Rails. It goes beyond just a groupware to be an information-sharing web platform integrating know-hows and ideas in the organization, with highly sophisticated functional UI by Web2.0/Ajax.
Spamato is a spam filter system that combines several anti-spam techniques, from which thousands of users benefit. It is available as an add-on for Thunderbird and Outlook, and as a stand-alone proxy for other email clients. IMAP and POP are supported.
Rails Bug Tracker is a full-featured project that supports developing teams to control and manage their system during the period of designing a software . More information at : http://rbugtracker.somee.com/