Open Source Groupware Software

• Computers: Software: Internet: Servers: Collaboration: Open Source 

• Citadel  - Easy-to-use groupware with calendaring and scheduling, bulletin board, mailing list server, and instant messaging functions. Also supports multiple domains and provides an AJAX-style web interface.
• Group-Office  - Online office application suite offering a calendar, CRM, email, file sharing, project management, and synchronization features.
• GroupSuite  - Web-based groupware based on PHP that includes a calendar, address book, forum, ticket system, web mail, and CRM.
• Hipergate  - Offers demos, documentations, and downloads of the application.
• IGSuite  - Integrated groupware suite aimed at enhancing communication, resource and activity sharing, and complete document management.
• MetaDot Open Source Portal Service  - Browse through a list of products along with information about the solutions and services.
• Monkey Boards  - Provides information about the software, offers a demo and allows download.
• Nexist  - Provides information about the software and its status, along with software downloads.
• phpBB  - Provides information about the phpBB version 2 features, demo, and downloads.
• PHProjekt  - Offers demos, features, and installation guides.
• Thetis  - Free groupware for home and enterprise, large-scale users. Site presents a demo, download, forums, and user's manual.
• TWIG  - Contains documentations, demonstrations, files, and development details.
• WEBO  - PHP and MySQL built modular groupware offering calendar, contacts, tasklist, and portal page features.
• XenIntranet  - Gives out information, documentation, development details, downloads of the application platform.