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.

UseResponse - Open-source, self-hosted customer feedback software, live chat and helpdesk system that you can install on your server. Organize documentation using knowledge base and get feedback from social networks with centralized system

FeatureMap - FeatureMap story mapping, simple and effective realtime collaboration and collective intelligence tool.

HunchBuzz - Idea/Innovation Management software for Companies, Government, Education, NGO's.