Coggle

Collaborative Mind Maps. Coggle is an online tool for creating and sharing mindmaps. It works online in your browser: there's nothing to download or install. Log in to start mind-mapping now. Whether you're taking notes, brainstorming, planning, or doing something awesomely creative, it is super simple to visualise your ideas with Coggle. Share with as many friends or colleagues as you like. Changes you make will show up instantly in their browser, wherever they are in the world.