Microsoft OneNote is described as 'Part of the Microsoft 365 Copilot, is a digital notebook application that gives people one place to gather notes and information. It also offers shared notebooks, syncing between multiple computers and devices via Windows' and is a leading Note-taking tool in the office & productivity category. There are more than 100 alternatives to Microsoft OneNote for a variety of platforms, including Mac, Windows, Android, Web-based and iPhone apps. The best Microsoft OneNote alternative is Obsidian, which is free. Other great apps like Microsoft OneNote are Zim, Joplin, NoteLedge and sNotes – Students Notes.