OStatic

Mind mapping tools are among the unsung heroes of project management. They're often overlooked or underused because some people mistakenly believe the learning curve is too steep or the features are unnecessary. Most mind mapping software is easy to use, however, and the applications are a great way to keep track of projects, research, book notes, and brainstorming sessions.

Here are four open source mind mapping apps to help keep you focused on your projects and collaborate efficiently with others on your team.