There's Standard Notes[0]. It doesn't have mind maps, but you can tag your notes. If you want something more complex, take a look at Obsidian[1] [0] https://st

There's Standard Notes[0]. It doesn't have mind maps, but you can tag your notes. If you want something more complex, take a look at Obsidian[1] [0] https://standardnotes.com/ https://standardnotes.com/ [1] https://obsidian.md/ https://obsidian.md/