Pidgin is an instant messaging program for Windows, Linux, BSD, and other Unixes. You can talk to your friends using AIM, ICQ, Jabber/XMPP, MSN Messenger, Yahoo!, Bonjour, Gadu-Gadu, IRC, Novell GroupWise Messenger, QQ, Lotus Sametime, SILC, SIMPLE, and Zephyr.
Pidgin can log in to multiple accounts on multiple IM networks simultaneously. This means that you can be chatting with friends on AIM, talking to a friend on Yahoo Messenger, and sitting in an IRC channel all at the same time.
phpBB is a UBB-style dissussion board written in PHP. It includes features such as posting/replying/editing messages, private messages, private forums, user and anonymous posting, robust theming, user ranking by posts or by special, admin definable, ranks, and much more. phpBB supports 8 different SQL backends, not just MySQL, SQLite, PostgreSQL, Firebird, ODBC and a few others...
Unified OS X instant messaging platform
Joomla! is one of the most powerful Open Source Content Management Systems on the planet. It is used all over the world for everything from simple websites to complex corporate applications. Joomla! is easy to install, simple to manage, and reliable..
Drupal is an open source content management platform, allowing an individual or a community of users to easily publish, manage and organize a great variety of content on a website.
Equipped with a powerful blend of features, Drupal is able to support community sites, blogs, portals and more.
This is the contributions repository containing contributed modules, themes, translations and installation profiles. You can find the Drupal core project at http://ohloh.net/projects/3189.
Moodle is a learning management system for producing Internet-based course Web sites. It is written in PHP and is easy to install and use on Linux, Windows, Mac OS X, SunOS, BSD, and Netware 6. It has been designed to support modern pedagogies based on social constructionist theory, and includes activity modules such as forums, chats, resources, journals, quizzes, surveys, choices, workshops, glossaries, lessons, and assignments. It has been translated into over 70 languages, with more on the wa...
TYPO3 is a mid to Enterprise level Content Management Framework for enterprise purposes on the web and in intranets written in PHP. It offers full flexibility and extendability while featuring an accomplished set of ready-made interfaces, functions and modules. TYPO3 is offering the best of both worlds: out-of-the-box operation with a complete set of standard modules and a clean and sturdy high-performance architecture accomodating virtually every kind of custom solution or extension. TYPO3 runs...
MoinMoin is an advanced, easy to use and extensible WikiEngine with a large community of users. Said in a few words, it is about collaboration on easily editable web pages.
It is implemented in Python, plugins can also be written in Python. Python is a clean, powerful and easy to read programming language.
A full-featured, web-based, multilingual, tightly integrated, all-in-one Wiki+CMS+Groupware, using PHP, ADOdb, Zend Framework, jQuery and Smarty. Can be used to create all sorts of Web applications, sites, portals, knowledge bases, intranets, and extranets.
Tiki offers a very large number of features "out-of-the-box", arguably more than any other Open Source Web Application. Highly configurable & modular, all the features are optional and administered via a ...
Liferay Portal is the world's leading enterprise open source portal framework, offering integrated Web publishing and content management, an enterprise service bus and service-oriented architecture, and compatibility with all major IT infrastructures.
OLAT is the acronym for Online Learning And Training. It is a web application - a Learning Management System - that supports any kind of online learning, teaching, and tutoring with little didactical restrictions. OLAT is free software/open source, and has been developed since 1999 at the University of Zürich and won the MeDiDa-Prix in the year 2000. OLAT has support for various E-learning standards such as IMS Content Packaging, IMS QTI and SCORM. OLAT offers all the tools that you'd expect of ...
eZ Publish is an enterprise open source content management system and development framework with functionality for web publishing, intranets, e-commerce, extranets and portals.
OpenSimulator is a Second Life-compatible open source region simulator. Its companion project, OpenGridServices, provides the infrastructure for setting up a grid of simulators.
XOOPS is a dynamic OO (Object Oriented) portal script written in PHP. It supports mySQL, and is an ideal tool for developing small to large dynamic community Web sites, intra-company portals, corporate portals, Web logs, and much more.
XWiki is a WikiWiki clone written in Java that supports many popular features of other Wikis like the Wiki syntax, version control, attachments, security, and searching, but also many advanced features like templates, database and dynamic development using the velocity or groovy scripting language, a plugin system and skinability, J2EE scalability, XML/RPC remote API, Portlet integration, statistics, an RSS feed, PDF exporting, and WYSIWYG editing.
MODx is an open source PHP Application Framework that helps you take control of your online content. It empowers developers and advanced users to give as much control as desired to whomever they desire for day-to-day website content maintenance chores.
Mambo is a dynamic Web content management tool that is capable of building sites from several pages to several thousand. It comes complete with 10 built-in modules, a WYSIWYG editor, site statistics, an admin interface, multi language support, custom module support, and more.
Second Life is a 3-D virtual world entirely built and owned by its residents. Since opening to the public in 2003, it has grown explosively and today is inhabited by a total of 6,642,422 people from around the globe.
Linden Lab is making the source code for the Second Life Viewer available to everyone. Talented developers from around the world will be able to collaborate with Linden Lab to refine and enhance the experience for all residents of Second Life.
Simple Machines Forum — SMF in short — is a free, professional grade software package that allows you to set up your own online community within minutes.
Its powerful custom made template engine puts you in full control of the lay-out of your message board and with our unique SSI - or Server Side Includes - function you can let your forum and your website interact with each other.
SMF is written in the popular language PHP and uses a MySQL database. It is designed to provide you with...
Zikula is a multilingual and W3C HTML standard compliant weblog/content management system (CMS). It creates an impressive, dynamic web site and provides the webmaster with a site they can administer with a minimal amount of HTML knowledge through a web browser.
It is secure and stable, and is able to work in high-volume environments with ease. It provides a standard API and extensive documentation to allow for easy extension of your web site's functionality through module...