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sup3rS3cretMes5age vs Onetime Secret: catalog facts
sup3rS3cretMes5age	Onetime Secret
Free Free and open source under the MIT licence.	Freemium Free to create secret links, with paid plans listed on the pricing page.
Self-hosted, Command line	Web, Self-hosted
Messages are deleted after one read Configurable expiry up to 7 days	Links self-destruct after one view Optional passphrase and expiry
Requires running a HashiCorp Vault instance No hosted public instance listed	Only for text, not files Recipient must open the link before it expires
Self-hosted	Web application, Self-hosted, Hosted service
Open source	Open source
License: MIT	License not stated
No account needed	No account 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.