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
Coggle is a freeware mind-mapping web application. Like other mind-mapping software, Coggle produces hierarchically structured documents, like a branching tree. This contrasts with conventional collaborative editors, like Google Docs, which provide either linear (text document), or tabular (spreadsheet) document formats. Developed by coggleit
License: Free
Coggle is a user-friendly mind mapping tool with strong collaboration and mobile access features, making it ideal for teams. In contrast, SpiderScribe.net offers robust task management and project mapping capabilities, but it has a steeper learning curve and limited mobile functionality.