When comparing Federated Wiki vs Polynote, the Slant community recommends Polynote for most people. In the question“What is the best cross-platform note-taking app?” Polynote is ranked 59th while Federated Wiki is ranked 60th. The most important reason people chose Polynote is:
Multiple users can edit a note simultaneously, in real time.
Ranked in these QuestionsQuestion Ranking
Pros

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.
Pro Real-time collaborative
Multiple users can edit a note simultaneously, in real time.
Pro Minimal interface
The application is simple and fast. Can create, share and organize notes and notebooks on the same page.
Cons
Con No drag'n'drop file upload

Con No free tier
Plynote has a 15-day free trial after which it requires a 20$/user/year subscription.
