Confluence is an enterprise wiki that provides: enterprise-class security, easy setup and management, attractive, user-friendly front-end, comprehensive functions for structuring and searching your wiki.
Finally, a Wiki that is as simple as a text processor. It's a Wiki + Wysiwyg Editor + Fine Grained Access Control. Add Workgroups. Add, edit and share contents among your team. Create a safe centralized portal for simple access to Company data.
Google Sites (from Google Apps) makes creating a teamsite as simple as editing a document. Use Google Sites to centralize alltypes of data - from videos to presentations - and share yoursite with just a few people, your entire company, or the world.
Mindtouch Deki is an open source collaboration and integration platform. Share data and files more productively, wiki-style, with the most sophisticated and popular entERPrise wiki available. Work together smarter immediately. Connect and mash-up entERPrise solutions, online applications, and Web 2.
EntERPrise-strength wiki system that combines the best of wikis and blogs to effectively support, streamline, and manage collaborative group efforts.
Thoughtfarmer is the ultimate intranet built around wikis. It's the easy, social way for users to work together, share ideas and find data. Thoughtfarmer is turnkey social intranet solution. It allows innovative companies to share knowledge, engage users, and foster collaboration.
Wikispaces lets you add easy web pages that workgroups can edit together. Starts at no-cost 2 Gb website for friends and families up to paid white label systems. As of March 2008, they had more than 920000, registered users and hosted more than 390000, wikis.
The Xwiki project provides both a generic platform for developing collaborative apps using the wiki paradigm and offers designed on top of it. All Xwiki solution is designed in Java and under the Lgpl open source license. A fully-featured wiki for the EntERPrise.
Mediawiki is a no-cost solution wiki suite originally written for Wikipedia. It is now used by several other projects of the non-profit Wikimedia Foundation and by many other wikis, including this site, the home of Mediawiki.
Socialtext is a collaboration platform that enables everyone to collaborate on the same page. It enables users to edit within a easy Wysiwyg front-end and you can also preview while editing and comment on any page.
Pbworks (formerly Pbwiki) is a commercial real-time collaborative editing (rtce) solution created by David Weekly, with Ramit Sethi and Nathan Schmidt joining shortly thereafter as co-founders.