OpenPIM is a Web-based Personal Information Management (PIM) service. It allows users to manage their personal information like tasks, bookmarks, appointments, contacts, and finances.
Fat Free CRM is a customer relationship management platform. Out of the box, it features group collaboration, campaign and lead management, contact lists, and opportunity tracking.
A Linux firewall distribution.
A mail filtering manager, supporting Sieve, procmail, maildrop and IMAP filters.