FSNotes

In plain words

FSNotes is a file system-based note manager for Mac and iPhone that works with plain text, markdown, RTF, and other open formats. Users can view and edit notes in their preferred external editor while seeing live updates in FSNotes. The app features a markdown editor with syntax highlighting for 170 programming languages and supports inline images. Built with Swift 4 and available as open source, FSNotes is designed for users who want fast note-taking with flexibility and control over their data storage.

written from the facts on this page · September 2026

From the sources

FSNotes is modern text editor (like nvALT) on steroids. FSNotes respect open formats: plain/text, markdown, rtf, and stores data in file system. You can view, edit, copy data in favourite external editor and see live result in FSNotes. Markdown eidtor highlight code blocks on 170 languages, inline images available too. Swift 4, open source.

Fast Markdown note-taking app for Mac and iPhone. Contribute to glushchenko/fsnotes development by creating an account on GitHub.

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  FSNotes 5 for iOS2022 · apps.apple.com · ▲83

  Notes manager to make your life easier

• 
  FSNotes 62022 · fsnot.es · ▲9

  Notes manager and text editor for macOS

• 
  FSNotes 52021 · fsnot.es · ▲142

  Notes manager and text editor for MacOS

• 
  FSNotes v32019 · github.com · ▲79

  Notes manager for macOS

• 
  SideNotes2025 · apptorium.com · ▲311

  A beautiful note taking app with superpowers. It shows and hides on the side of your monitor to manage your notes distraction-free. Keep your notes organised, personalised and always at your fingertips. Markdown, tasks, pictures, colors, folders included.

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  FSNotes2018 · apps.apple.com · ▲1

  Notes manager for iOS

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