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K3s vs OKD: catalog facts
K3s	OKD
Free The open-source software is available without a license fee. Hosting, hardware and…	Free Free community distribution.
Linux, Self-hosted, Command line	Linux, Self-hosted
Single binary installs a conformant cluster in under a minute Runs comfortably on small ARM boards and low-memory hosts	Integrated platform with over 100 preinstalled operators Runs in cloud, on bare metal or at the edge
Defaults to SQLite for a single server; high availability needs etcd or an external database Bundled Traefik and ServiceLB have to be disabled if you prefer your own	Heavy and opinionated compared with plain Kubernetes Needs significant infrastructure to run
Self-hosted	Self-hosted
Open source	Open source
License: Apache-2.0	License not stated
Not stated if an account is needed	No account needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked September 22, 2026	Official website Full listing and sources Checked September 24, 2026

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