Compare software

zot vs Harbor: catalog facts
zot	Harbor
Free Free and open source under the Apache 2.0 license.	Free Free and open source.
macOS, Linux, Self-hosted	Linux, Self-hosted
Single static binary with no external services Runs without root privileges	Built-in vulnerability scanning and content signing Role-based access control with identity integration
Aimed at users comfortable running server software No graphical desktop client	Heavier to run than a plain registry Needs Docker or Kubernetes to install
Self-hosted	Self-hosted
Open source	Open source
License: Apache-2.0	License not stated
No account 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 23, 2026	Official website Full listing and sources Checked September 23, 2026

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