KeepNote vs OneNote
KeepNote is an old-school open-source cross-platform note-taking app, while OneNote is a powerful modern note-taking app.
KeepNote
With KeepNote, you can store your class notes, TODO lists, research notes, journal entries, paper outlines, etc in a simple notebook hierarchy with rich-text formatting, images, and more. Using full-text search, you can retrieve any note for later reference.
Microsoft OneNote
OneNote is a powerful note-taking app, supporting a wide range of ways to capture and organize various notes, todos and ideas.
Fan of note-taking apps? 🤔
Maybe Paper is what you're looking for.