Social Source Commons

Open source brainstorming and mind mapping software tool developed by XMind Ltd. It helps people to capture ideas, organize to various charts, and share them for collaboration. Supporting mind maps, fishbone diagrams, tree diagrams, org-charts, logic charts, and even spreadsheets.

Personal Brain is a mind mapping tool allows you to organize not only your tasks and to-dos, but also your contacts and files in a visual, logical setup that you design.