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OTSBurnPony
Free

Free and open source under the Apache-2.0 licence.

 Free

Free on the App Store, Google Play and F-Droid; the Android app is open source under…

Web, Self-hosted Android, iOS, Web
  • Encryption happens in the browser, so the server never sees plain text
  • Secrets are deleted after the first read
  • Encryption happens on the device before upload
  • Recipient needs only a browser, no app or account
  • In-memory storage loses secrets on restart
  • Anyone who gets the link first can read the secret
  • Depends on the developer's server to hold and deliver notes
  • Anyone who gets the full link can read the note
Self-hosted Downloadable app, Web application
Open source Open source
License: Apache-2.0 License: Apache-2.0
No account needed No account needed
Not stated if it works offline Needs internet

Checked October 2, 2026

Checked October 2, 2026

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