From PostgreSQL wiki
 Bitweaver ranks 10th in the WikiMatrix Top 25 most popular wiki CMS.
What sets Bitweaver apart among the WikiMatrix Top 10?
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
Blog, Calendar, Image and File Galleries, Forums, Groups, Tags