SpiderScribe.net is an online mind mapping and brainstorming tool. It lets you organize your ideas by connecting notes, files, calendar events, etc. in free-form maps.
License: Free Personal
MindManager is a comprehensive mind mapping and project management tool that offers robust features and integrations, making it ideal for professional use. In contrast, SpiderScribe.net is a simpler, more visual brainstorming tool focused on real-time collaboration, suitable for teams looking for straightforward idea organization.