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A full-featured, web-based, multilingual (40+ languages), tightly integrated, all-in-one Wiki+CMS+Groupware, Free Source Software (GNU/LGPL), using PHP, MySQL, Zend Framework, jQuery and Smarty. Tiki can be used to create all kinds of Web applications, sites, portals, knowledge base, intranets, and ... [More]
PunBB is a fast and lightweight PHP-powered discussion board. Its primary goals are to be faster, smaller and less graphically intensive as compared to other discussion boards. PunBB has fewer features than many other discussion boards, but is generally faster and outputs smaller, semantically correct XHTML-compliant pages.
Phorum is open source forum software with a penchant for speed. Phorum's very flexible templating and module system can satisfy every web master's needs.
phpMyChat is an easy-to-install, easy-to-use multi-room PHP/DB chat. It is currently available for MySQL, PostgreSQL, and ODBC, and the work on Oracle is in progress. It supports IRC-like commands, moderators, and is available with 37 languages.
Project management and collaboration over the internet. Features team/client sites, task assignment, document repository/workflow, gantt charts, discussions, calendar, notifications, support requests, weblog newsdesk, invoicing, and many other tools.
ConcourseConnect is the de facto Open Source Java Social Networking Platform. Build social networking sites including corporate intranets, business community add-on sites, enthusiast sites, business or product directory sites (like a chamber of commerce or yellow pages) or even standalone web ... [More]
FUDforum is highly scalable and secure forum system with a large set of native features. The stock FUDforum is available in +-40 different languages, supports RSS/XML feeds, printable page generation in PDF forum. It can also seamlessly integrate with newsgroups and mailing list and serve as an ... [More]
The Discussion Plugin for DokuWiki allows to append comments to wiki pages, list pages with recent discussions and create feeds for recently added comments.