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SOPSfnox
Free

Free and open source under the MPL.

 Free

Free and open source under the MIT license.

Windows, macOS, Linux, Command line Windows, Command line
  • Encrypts values but not keys, so diffs and reviews stay meaningful
  • Works with age, PGP and every major cloud key management service
  • Config can be committed to git without exposing secret values
  • Supports age, 1Password, Bitwarden, Vault and major cloud providers
  • Anyone who can decrypt a file can read every secret in it
  • Key rotation across many files is a manual exercise
  • Command-line only
  • Aimed at developers; requires editing a TOML config
Downloadable app Downloadable app
Open source Open source
License: MPL-2.0 License: MIT
Not stated if an account is needed No account needed
Not stated if it works offline Not stated if it works offline

Checked September 22, 2026

Checked October 2, 2026

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