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Portainer vs Whaler: catalog facts
Portainer	Whaler
Freemium Community Edition is free and open source. Business Edition is a paid subscription, free…	Free Free and open source under the GPL 3.0 or later.
Windows, Linux, Web, Self-hosted	Linux
One console for Docker, Swarm and Kubernetes across several hosts Deploys Compose stacks and Helm charts from the browser	Starts and stops containers and compose applications Built-in log viewer
Role-based access control and several fleet features are Business Edition only The agent needs access to the Docker socket, which is effectively root on the host	Basic feature set compared with full Docker dashboards Requires Docker to be installed separately
Self-hosted, Web application	Downloadable app
Open source	Open source
License not stated	License: GPL-3.0-or-later
Not stated if an account is needed	No account needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked September 22, 2026	Official website Full listing and sources Checked October 1, 2026

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