Compare software

k3d vs K3s: catalog facts
k3dK3s
Free

Free and open source, supported by sponsorships.

Free

The open-source software is available without a license fee. Hosting, hardware and…

Command line Linux, Self-hosted, Command line
  • Creates single- and multi-node Kubernetes clusters in seconds
  • Runs entirely inside Docker
  • Single binary installs a conformant cluster in under a minute
  • Runs comfortably on small ARM boards and low-memory hosts
  • Requires Docker and kubectl
  • Aimed at development rather than production clusters
  • 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
Downloadable app Self-hosted
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

Checked September 24, 2026

Checked September 22, 2026

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