NewLife Blogger - NewLife Blogger is a Multi-User blogging system, similar to livejournal.

EZComments - With EZComments, you can attach comments to every other modules supporting hooks.

Nuclei Blocks Module - The Nuclei Blocks Module allows themes to utilize up to 14 block areas, instead of using the standard 3 the PostNuke blocks module offers.

NameDay PostNuke Module - Nameday module based on standard Postnuke module NS-Ephemerids but it has been fully re-written for pnAPI and pnMDG compliance.

EW FileManager - Module designed to manage file and directories inside directory given by site admin.

HeadsUp is a module for PN .76 that emails users a summary of all comments posted on items they authored.

dpCaptcha allows to add validation by characters to any formulary.

pnModuleStatus is a utility module that allows you to show your modules status to your modules users by connecting your module via a Smarty plugin to pnModuleStatus at your site.

pnConnections is basically a Match.com or Dating module for PostNuke.

pnSSP brings the great power, ease of use, flexibility and sophistication of Slide Show Pro to the PostNuke framework.