A Plone product that enables you to add portlets to the central column in a page
Content-based users and groups for Plone
Provides content types for creating and organizing personnel directories within educational institutions. Integrates with Plone's users and groups infrastructure and supports an extensibility framework for custom requirements.
This enables you to do CSS 3 and psuedo classes for Internet Explorer 6-8.
Delegates Plone's authentication concerns to a web server
A portlet that adds bling to your site
FogBugz Plone integration using BugzScout.
CSSManager is a simple add-on for managing CSS properties exposed by Plone 3 and 2