bubbl.us is a mind map tool. It's a visual thinking tool for structuring information, helping you to better understand, remember and generate new ideas.
License: Free
Bubbl.us is a user-friendly mind mapping tool ideal for brainstorming and collaboration with a straightforward interface. In contrast, TheBrain offers a more powerful and comprehensive set of features geared towards project management and complex data organization, making it suitable for users needing advanced functionalities.