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K3s — Lightweight K8s (Open Source)

K3s is an open-source Lightweight K8s solution from SUSE (Rancher). Review its features and licensing on FreeSoftwareX — by features, licensing and price — and request a quote or demo free in 2026.

What is K3s?

K3s is open source — its source code is publicly available and free to use, modify and self-host, usually with an active community and no licensing fees. It is categorised under Lightweight K8s and published by SUSE (Rancher). Buyers typically evaluate K3s when they need a dependable Lightweight K8s option and want to weigh the trade-offs between free, open-source and paid tools before committing.

Frequently asked questions

Is K3s free?
Yes. K3s is open source and free to use, with no purchase cost for the core product.
What type of software is K3s?
K3s is an open-source Lightweight K8s tool developed by SUSE (Rancher).

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