Wikis

Foswiki

Foswiki is a free open-source collaboration platform.

MediaWiki

MediaWiki is a free and open-source wiki engine.

MoinMoin

MoinMoin is a wiki engine implemented in Python.

DokuWiki

DokuWiki is a free open-source wiki software.

XWiki

XWiki is a free wiki software platform written in Java.

PukiWiki

PukiWiki is a web-based WikiEngine that enables collaborative editing by allowing anyone to modify pages.

ikiwiki

ikiwiki is a free and open-source wiki application.

Apache JSPWiki

Apache JSPWiki is an open-source Wiki engine, built around standard JEE components (Java, servlets, JSP).

Atlassian Confluence

Atlassian Confluence is a web-based collaboration wiki tool.

TWiki

TWiki is an open-source wiki and application platform.

TiddlyWiki

TiddlyWiki is an open-source notebook for capturing, organising and sharing complex information.

Tiki Wiki CMS Groupware

Tiki Wiki is a free and open-source wiki-based content management system and online office suite written primarily in PHP.

WikkaWiki

WikkaWiki is an open-source wiki application written in PHP.

YesWiki

YesWiki is a collaborative website creation and management Free Software under the AGPL license, enabling any web user to create, delete, edit, or comment on site pages with unlimited editors or pages.