head to head · open source
kubernetes vs certimate
kubernetes has 127,843 GitHub stars, 44,692 forks, 3,072 open issues and last shipped today. certimate has 9,317 stars, 902 forks, 51 open issues and last shipped yesterday. kubernetes leads on adoption by 1,272% (127,843 vs 9,317 stars). kubernetes is written in Go under Apache-2.0; certimate is written in Go under MIT. kubernetes has attracted 35% as many forks as stars, certimate 10%. 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 | certimate | |
|---|---|---|
| GitHub stars | ★ 128K | ★ 9.3K |
| License | Apache-2.0 | MIT |
| Written in | Go | Go |
| Last push | 2026-09-20 | 2026-09-19 |
| Forks | ⑂ 45K | ⑂ 902 |
| 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 certimate if
- You want the certimate feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches Go
- You evaluated both and certimate 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 certimate
Certimate is an open source, MIT licensed, self hosted ACME client that automates the full lifecycle of SSL/TLS certificates — issuance, deployment, renewal, and monitoring — through a visual workflow, and it is built for DevOps engineers and infrastructure teams who manage certificates across many domains, registrars, and hosting providers.
read the full certimate overview →
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Frequently asked questions
Is kubernetes or certimate more popular?
kubernetes has 127,843 GitHub stars and certimate has 9,317. kubernetes has the larger community by that measure.
Are kubernetes and certimate free?
Both are open source. kubernetes is licensed under Apache-2.0 and certimate under MIT. Neither carries a licence fee.
What is the difference between kubernetes and certimate?
kubernetes is written in Go and certimate 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 certimate?
Choose kubernetes if you want the larger community (127,843 stars) or its Apache-2.0 licence terms. Choose certimate if its feature set, stack or MIT licence fits better. Both are self-hostable.