Zimbra - Zimbra is trusted by over 500 million users to increase productivity with a complete set of collaboration tools while maintaining total control over security and privacy.

The Attorney Case File - The Attorney Case File offers full flexibility and incredible detail for handling case your office handles.

Kolab Community - Kolab Groupware is a secure, scalable, reliable, flexible, full-featured collaboration suite.

Legal Suite - Legal Suite is a leading international provider of Enterprise Legal Management (ELM) solutions.

iRedMail - A fully fledged, free email server solution, an open source project (GPL v2).

Micropact - entellitrak is an open architecture Unified BPM platform that takes a Data-First approach to Dynamic Case Management and Business Process Management.