Compare software

InkdropObsidian
Paid

Commercial app; see the Inkdrop site for current plan prices.

 Free

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

Windows, macOS, Linux, Android, iOS, Browser extension Windows, macOS, Linux, Android, iOS, Browser extension
  • Markdown editor built around developer workflows
  • Encrypted sync across devices
  • 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
  • Closed source commercial product
  • Recent focus on AI features may not suit everyone
  • 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, Browser extension Downloadable app, Browser extension
Closed source Closed source
License not stated License not stated
Not stated if an account is needed No account needed
Not stated if it works offline Works offline

Checked September 23, 2026

Checked September 20, 2026

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