OpenVoyce - Openly discuss and vote on ideas, opinions and reactions
Canny - Canny helps you collect and organize feature requests to better understand customer needs and prioritize your roadmap.
Lampant - Helping organizations find and act on the best ideas
Pastel - Sticky note-based feedback collection tool for live websites
Scrivener - Scrivener is a content-generation tool for composing and structuring documents.
The Idea Swap - The sticky note way of exchanging ideas