AuthUserDbase Enables user authentication via database, whether from another application, or standalone (beta)
GoogleMapAPI Adds Google Map API to PmWiki pages. (Beta)
MakeColumns Create columns on a page without using tables.
Markdown A replacement for some of PmWiki's typographical wiki markup (Beta)
Marklets An easy-to-use, categorical, bookmark management system. (Beta)
MediaCategories Assembles all Categories in a page, alphabetizes, and appends to bottom of page--in the style similar to MediaWiki. (Stable as of 2.1.5)
OpenUrls Automatically create URL Path for use with EnablePathInfo.