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Stern vs K9s: catalog facts
Stern	K9s
Free Free to download, with source published on GitHub.	Free The open-source application is available without a license fee.
Command line	Windows, macOS, Linux
Follows many pods and containers in one stream Colour-coded output per source	Live cluster navigation and log inspection
Terminal only, with no graphical interface Needs access to a Kubernetes cluster	Requires access credentials and permissions for a Kubernetes cluster.
Downloadable app	Downloadable app
Open source	Open source
License not stated	License: Apache-2.0
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 22, 2026

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