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NotenikObsidian
Free

Free with no in-app purchases, subscriptions or ads; source code under the MIT license.

 Free

Free for everyone, including commercial use, in the vendor’s own words. Obsidian Sync and…

macOS Windows, macOS, Linux, Android, iOS, Browser extension
  • Notes stored as plain text files you can open anywhere
  • Wiki-style links between notes
  • Notes are plain Markdown files in a folder you control, readable without the app
  • Linking, backlinks, tags, graph view and fast search across the vault
  • Mac only
  • Sync depends on a third-party service you set up yourself
  • The application is not open source, only the plugin ecosystem and the releases repository
  • Syncing between devices means paying for Obsidian Sync or wiring up your own sync tool
Downloadable app Downloadable app, Browser extension
Open source Closed source
License: MIT License not stated
No account needed No account needed
Works offline Works offline

Checked September 24, 2026

Checked September 20, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.