Bitweaver

[1] Bitweaver ranks 10th in the WikiMatrix Top 25 most popular wiki CMS.

What sets Bitweaver apart among the WikiMatrix Top 10?

Datastorage

PostgreSQL (many of the lead developers use it exclusively), MySQL, Oracle, and Firebird

Customize Without Fear

Thanks to highly modular and easily extensible design

Speed from end-to-end

From schema design to query utilization to software design

Style Made Easy

Standard compliant XHTML Strict 1.0 and sophisticated tableless CSS

Extras

Blog, Calendar, Image and File Galleries, Forums, Groups, Tags