head to head · open source
kubernetes vs OpenTofu
kubernetes has 127,813 GitHub stars, 44,561 forks, 3,072 open issues and last shipped yesterday. OpenTofu has 30,216 stars, 1,367 forks, 320 open issues and last shipped yesterday. kubernetes leads on adoption by 323% (127,813 vs 30,216 stars). kubernetes is written in Go under Apache-2.0; OpenTofu is written in Go under MPL-2.0. kubernetes has attracted 35% as many forks as stars, OpenTofu 5%. kubernetes was the more recently maintained of the two, and both are self-hostable with no licence fee.
Two open source projects, one decision. Both are free and self-hostable — the differences are community size, license terms, language stack and release pace.
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Side by side
| kubernetes | OpenTofu | |
|---|---|---|
| GitHub stars | ★ 128K | ★ 30K |
| License | Apache-2.0 | MPL-2.0 |
| Written in | Go | Go |
| Last push | 2026-09-18 | 2026-09-18 |
| Forks | ⑂ 45K | ⑂ 1.4K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick kubernetes if
- You weight community size — 128K stars and counting
- You want the Apache-2.0 license terms
- Your stack matches Go
- You value the larger contributor base for long-term maintenance
pick OpenTofu if
- You want the OpenTofu feature set and don't need the biggest community
- You prefer the MPL-2.0 license terms
- Your stack matches Go
- You evaluated both and OpenTofu fits your workflow better
About kubernetes
Kubernetes (K8s) is an open source, Apache 2.0 licensed system for managing containerized applications across multiple hosts, hosted by the Cloud Native Computing Foundation and aimed at teams who deploy, maintain and scale container packaged and microservices oriented workloads in production.
read the full kubernetes overview →
About OpenTofu
OpenTofu is an open source infrastructure as code (IaC) tool that enables users to define and manage cloud and on premises infrastructure using declarative configuration files. It lives in the cloud infrastructure management ecosystem and serves as a community driven fork of Terraform, maintaining compatibility with Terraform’s configuration language and provider ecosystem while operating under the MPL 2.0 license.
read the full OpenTofu overview →
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Frequently asked questions
Is kubernetes or OpenTofu more popular?
kubernetes has 127,813 GitHub stars and OpenTofu has 30,216. kubernetes has the larger community by that measure.
Are kubernetes and OpenTofu free?
Both are open source. kubernetes is licensed under Apache-2.0 and OpenTofu under MPL-2.0. Neither carries a licence fee.
What is the difference between kubernetes and OpenTofu?
kubernetes is written in Go and OpenTofu in Go. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, kubernetes or OpenTofu?
Choose kubernetes if you want the larger community (127,813 stars) or its Apache-2.0 licence terms. Choose OpenTofu if its feature set, stack or MPL-2.0 licence fits better. Both are self-hostable.