Wicked is a Wiki for the Horde framework. It uses PEAR's Text_Wiki package for markup rules, parsing, and rendering. It supports Creole, Mediawiki, Tiki Wiki, and its own markup engine.

Some of Wicked's features are:

• Configurable markup engine
• HTML, plain text, Latex, reStructuredText output rendering
• Change tracking and revision history
• Full-text searching
• Per-page permissions
• Attachments with versioning
• Wiki synchronization

Wicked is also powering the official Horde Wiki.