OpenVoyce - Openly discuss and vote on ideas, opinions and reactions
MediaWiki - MediaWiki is a free software wiki package written in PHP, originally for use on Wikipedia.
Lampant - Helping organizations find and act on the best ideas
SlimWiki - Beautiful Wikis for Teams. Get started today, free forever!
Planview PPM Pro - Take your PMO to the next level with cloud-based project portfolio management software from Planview.
DokuWiki - DokuWiki is a simple to use and highly versatile Open Source wiki software that doesn't require a database.