DemocracyOS - DemocracyOS is an open source application for online decision making.
Xmind - Xmind is a brainstorming and mind mapping application.
Owlie - A beautiful app for quick decision making with friends
MindMeister - Create, share and collaboratively work on mind maps with MindMeister, the leading online mind mapping software. Includes apps for iPhone, iPad and Android.
CivilHub - CivilHub is a free and open-source platform written in Python & Django for the purpose of...
Coggle - Coggle is a simple, beautiful, powerful way of structuring information.