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Hemmelig vs Enclosed: catalog facts
Hemmelig	Enclosed
Free The hosted service at hemmelig.app can be used free of charge; the code is under the…	Free Free and open source under the Apache 2.0 licence.
Web	Web, Self-hosted, Command line
Client-side encryption of shared secrets Messages self-destruct after being read	Client-side encryption with a zero-knowledge server Password, expiry and burn-after-reading options
Source-available O'Saasy licence, not OSI open source Little documentation of features was available in the research	Meant for one-off sharing, not ongoing file sync
Web application	Web application, Self-hosted
Closed source	Open source
License: O'Saasy	License: Apache-2.0
Not stated if an account is needed	No account needed
Needs internet	Needs internet
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked October 1, 2026

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