IdeaTorrent is what can be defined as an "open innovation software": it lets people submit their ideas, brainstorm them, and vote on them. The most popular ideas and requests are then easily assessable.
That's a very interesting mean for a project to have an insight on the demands of his user base!
One of the biggest live example is http://brainstorm.ubuntu.com.
Except where otherwise noted, content on this site is licensed under a Creative Commons Attribution 3.0 Unported License.