Sputnik is a content management system (CMS) designed for extensibility. It works as a wiki out of the box, but can be extended into other things. It offers editable nodes, history and diff, user accounts with optional email validation, a flexible permission system, RSS feeds, and more. Sputnik supports access control and has editable templates. It can be used to maintain a personal Web site that doesn't look like a wiki and that only you can edit. Sputnik is easy to install on shared hosting without root accounts.
Yet Another Nopaste is an implementation of nopaste, allowing copy and paste of pieces of code from numerous languages for sharing using a simple URL, optionally protected with a password. It uses GeSHi as a highlighter back-end. It does not use a database. It is focussed on quick and simple usage.
VisionProject is a powerful Web-based project management tool and issue tracking system that also includes modules for helpdesk/support, time management, document management, and much more. VisionProject is built to be easy to use and customizable. The extensive functionality offered includes drag-and-drop, search possibilities also within the attached documents, sub-items, a Web portal for external customers, support for popular concepts used in project management and IT service management, such as ITIL, Scrum, Lean, Waterfall, etc.
Trac is an advanced tool for managing software development projects. It provides a simple wiki, an issue tracking system, and tight integration with the Subversion revision control system. However, it's also notorious for being hard to install. With the JumpBox for Trac, it takes about a minute to get trac running. Plus, with the built-in subversion and database backup system and the JumpBox Web-based administration console, it gives you all the basic tools you need to put it into production without ever touching a command line.
LibreSource is a versatile collaborative platform and software forge. It is adapted to the collaborative software development, groupware, community leading, e-archiving and Web publishing. On a single server, LibreSource can host several projects, several groups of users, and grant fine-grained access to the resources. Based on Java/J2EE technology, it is a modular Web server that users can customize online by combining resources and rights: wiki pages, forum, trackers, synchronizer, subversion, files, download areas, a dropbox, forms, etc.
Essential Management is a multi-user project management system for managing intricate and complex information. Its initial purpose was to allow software development teams to create, maintain, track, and store project requirements on a multi-project basis in a multi-user environment. It has now become more abstract in the type of data it can maintain, allowing the easy addition of new data models and other expansions. Information can be stored in any of several database management systems, and can take advantage of a networked DBMS.
Coefficient is a project-based collaboration platform that can be deployed as either a J2EE application or a Web application. It provides basic collaboration tools such as issue tracking, discussion forums, file uploads, news, tasks, and voting as hot deployable modules in a themeable presentation layer. In addition, it provides a workflow engine to help guide projects through their development cycles. All of this functionality is provided through a themeable Web interface.