When comparing Gingko vs Polynote, the Slant community recommends Gingko for most people. In the question“What is the best cross-platform note-taking app?” Gingko is ranked 21st while Polynote is ranked 59th.
Specs
Ranked in these QuestionsQuestion Ranking
Pros
Pro You can customize colors
Pro Allows focusing on one piece of information at a time
Since Gingko documents are "trees", they are always organized on the go. And since everything is written in cards, it is possible to focus on one chunk of content at a time.
Pro Easy to overview
Despite the complexity of the tree structure, it's always clear where you are, and how to quickly add your thoughts.

Pro Markdown support
All formatting is done via Markdown.
Pro Non-linear
Non-linear notetaking allows you more flexibility, freedom and creativity.
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 Limited free version
The free version is limited to 100 cards and 10 documents. Depending on how you use it, this might not be enough.

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