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.
Foswiki is wiki software, supporting the editing of Web pages in an ordinary Web browser by end users. What makes Foswiki special is that it supports the embedding of active and passive macros that enhance the page content (e.g. with global or dynamic information) and allow end-users to build applications that store and process data in a structured manner.
Voisin is a social networking and group collaboration platform. It's a complete Enterprise 2.0 solution that combines all of the technologies you need to implement Enterprise 2.0 best practices in order to help your work force realize the full benefit of social collaboration and knowledge sharing as they work to achieve group goals. It is based on the OpenEdit Framework.
WikyBlog is a groupware application that fuses the collaborative editing features of wikis with the user friendly publishing characteristics of blogs. Designed for speed and ease of use, WikyBlog has a unique AJAX enhanced tabbed interface that enables users to view and edit multiple files within the same page. Custom templates, file attachments, a flexible user privilege system, and Google Maps number among its many features.
Zimbra is a next-generation enterprise messaging and collaboration system. It features an Ajax Web client with conversation views, fast email search, Web service mash-ups, shared calendars, document authoring, and IM. The server also syncs to MS Outlook (via MAPI), the Apple desktop (via iSync, iCal, and CalDAV), POP/IMAP clients, and mobile devices (BlackBerry, smart phones, HTML Web browsers). A version of the Web client, Zimbra Desktop, also works offline with any POP/IMAP server. Administrators can control live backup/restores of individual or groups of mailboxes, hierarchical storage (HSM) and clustering, LDAP directory configuration, Web services integration with existing enterprise applications, and integrated anti-spam and anti-virus.
PukiWiki ('PoohKeyWeKey' without any prolonged sounds) is a wiki implementation that works on PHP 4 and 5, outputs XHTML 1.1, has many plugins (including one for bug tracking) and skins (such as one for embedded browsers), enables English and/or UTF-8 configuration, and features case-insensitive WikiNames. The formatting rules are based on YukiWiki.
SiteForge is a software project management tool for distributed development teams to manage software projects. SiteForge brings together the various aspects of a software project into one place, including source code access (CVS), bug/issue tracking, project members, discussion forums, documentation, product release downloads, and news announcements. SiteForge is similar to the the software that runs SourceForge.net, GForge, Savane, GBorg, and Trac. It attempts to be easier to install, reliable, secure, and well-supported.
Streber is a wiki-based project management tool. Freelancers and small teams can easily use it to set up projects and keep track of tasks, milestones, issues, bugs, efforts, etc. Project user rights can be adjusted (e.g., to provide clients a limited view of the current project state).
JSPWiki is a JSP-based WikiWiki clone. It supports all the standard Wiki features, including attachments, full UTF-8 support, templates, and page locking. It also supports an XML-RPC API for scripting, Weblog functionality, Atom and RSS feeds, WikiForms, spam filtering, in-page CSS, and very fast searching using Lucene. Most functions are served by plugins, so you can develop your own extensions.