When comparing MindMup vs Federated Wiki, the Slant community recommends MindMup for most people. In the question“What is the best cross-platform note-taking app?” MindMup is ranked 17th while Federated Wiki is ranked 60th. The most important reason people chose MindMup is:
MindMup allows focusing on thoughts and productively capture them without getting in the way.
Specs
Ranked in these QuestionsQuestion Ranking
Pros
Pro Frictionless interface
MindMup allows focusing on thoughts and productively capture them without getting in the way.
Pro Browser-based
Don't need to install anything, just open the website and you are set.
Pro Just works
Pro Compatible with Google Drive and Github
Pro Easy sharing & presenting
After taking notes, it only takes seconds to share and/or prepare them for presentations.
Pro Free and open source
MindMup is free with source code available on GitHub.

Pro Stories
Arrange your personal view of a wikis content by opening local and remote pages next to each other. Shift-clicking a link will open it next to already open ones. The story will then be visible in the URL.

Pro Free and Open Source Software

Pro Versioning
Your page is the Journal of the page.

Pro Drag and drop refactoring
Recompose your contents all the time.

Pro Federation
Write locally, fork to your public site. Fork from others.
Cons
Con Note capacity is limited
MindMup is good for mapping out thoughts that could be summarized in bullet points, but longer notes aren't as practical for this service.
Con Unconventional note taking style
It's a mind mapping application, not a traditional text based note storage platform.
Con No drag'n'drop file upload
