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Doppler vs SOPS: catalog facts
Doppler	SOPS
Freemium Free tier for individuals and small teams, paid plans for larger organizations.	Free Free and open source under the MPL.
Web, Command line	Windows, macOS, Linux, Command line
Single CLI workflow replaces manually copying secrets between environments Works across cloud providers instead of locking you into one vendor's secret store	Encrypts values but not keys, so diffs and reviews stay meaningful Works with age, PGP and every major cloud key management service
Core service is a hosted platform, so you are trusting Doppler with your secrets Free tier is limited to small teams	Anyone who can decrypt a file can read every secret in it Key rotation across many files is a manual exercise
Downloadable app, Web application	Downloadable app
Closed source	Open source
License not stated	License: MPL-2.0
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked September 22, 2026	Official website Full listing and sources Checked September 22, 2026

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