Xmind - Xmind is a brainstorming and mind mapping application.
idea.informer - Idea Informer is a idea forum similar to uservoice or getsatisfaction.
MindMeister - Create, share and collaboratively work on mind maps with MindMeister, the leading online mind mapping software. Includes apps for iPhone, iPad and Android.
HunchBuzz - Idea/Innovation Management software for Companies, Government, Education, NGO's.
FeatureMap - FeatureMap story mapping, simple and effective realtime collaboration and collective intelligence tool.
Fider - Fider is an open source, cross platform and free to use customer feedback platform for companies...