When comparing Nimbus Notes vs Tomboy, the Slant community recommends Tomboy for most people. In the question“What is the best cross-platform note-taking app?” Tomboy is ranked 14th while Nimbus Notes is ranked 64th. The most important reason people chose Tomboy is:
All the components are free, opensource, and allows self-hosting the sync server.
Specs
Ranked in these QuestionsQuestion Ranking
Pros
Pro Easy categorization
An Evernote alternative where categorization is quite easy, as Nimbus Notes uses both a hierarchical folder structure and hashtags (#).
Pro Very easy migration tool for transferring from Evernote
There's a tool for Windows which lets users transfer their notes from Evernote to Nimbus. Here's a guide on how to do it.
Pro Feature-rich
Pro Free for private use
Does not restrict you to only two devices like Evernote does for its free version.
Pro Similar to Evernote but without the bugs
Pro Very good help desk
Excellent help desk advice and interaction when trying to find a solution to the data issue mentioned previously.
Pro Excellent Android, iOS and Windows apps
Pro Free and open source
All the components are free, opensource, and allows self-hosting the sync server.
Pro Can be extended with add-ins
If Tomboy doesn't have the features you want out of the box, you may be able to find them here as a plug in.
Pro Lightweight
Cons
Con No Linux version
Con Limited styling functions
There are limited ways to style/edit your notes (no font colors or sizes for example).
Con The interface is not as elegant as Evernote
The UI has a fairly outdated appearance, which isn't as smooth or intuitive to use as Evernote.