Open Source Collaboration Server Software

• Collaborative Computing Frameworks (CCF) for Natural Science Works  - Collection of software systems, communication protocols, and tools intended for collaborative, computer-based cooperative work. Aims to form a "collaboratory" or a virtual work environment composed of computer systems connected online.
• Habanero  - Collaborative framework and environment written in Java designed to facilitate online interaction using various applications that share state and events.
• iPoint Portal  - Open source collaboration portal providing full content management capabilities, web 2.0 collaboration features, RSS and extensive notification and messaging support, and full text search.
• MindTouch  - Open source enterprise collaboration and community platform for Intranets and "Extranets," designed to link enterprise systems, social tools, and web services.