Offers a premium plugin that allows to add star reviews to a blog.

Offers an e-commerce shopping cart plugin.

Offers free plugins and custom development of new ones.

Free, flexible software that integrates a blog with a phpBB forum. Both themes and/or users can be integrated. Contains how-tos, development updates, and forums.

A database of plugins, arranged by category and providing licensing, description, author information, and links to the download page.

Offers a paid membership plugin that manages members, content and subscriptions using Paypal IPN subscriptions.