Compare software

sup3rS3cretMes5age vs Hemmelig: catalog facts
sup3rS3cretMes5age	Hemmelig
Free Free and open source under the MIT licence.	Free The hosted service at hemmelig.app can be used free of charge; the code is under the…
Self-hosted, Command line	Web
Messages are deleted after one read Configurable expiry up to 7 days	Client-side encryption of shared secrets Messages self-destruct after being read
Requires running a HashiCorp Vault instance No hosted public instance listed	Source-available O'Saasy licence, not OSI open source Little documentation of features was available in the research
Self-hosted	Web application
Open source	Closed source
License: MIT	License: O'Saasy
No account needed	Not stated if an account is needed
Not stated if it works offline	Needs internet
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked October 2, 2026

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