head to head · open source
fastapi vs kubernetes-client
fastapi has 104,542 GitHub stars, 10,173 forks, 78 open issues and last shipped 2 days ago. kubernetes-client has 3,685 stars, 1,520 forks, 115 open issues and last shipped 4 days ago. fastapi leads on adoption by 2,737% (104,542 vs 3,685 stars). fastapi is written in Python under MIT; kubernetes-client is written in Java under Apache-2.0. fastapi has attracted 10% as many forks as stars, kubernetes-client 41%. fastapi 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
| fastapi | kubernetes-client | |
|---|---|---|
| GitHub stars | ★ 105K | ★ 3.7K |
| License | MIT | Apache-2.0 |
| Written in | Python | Java |
| Last push | 2026-11-01 | 2026-10-30 |
| Forks | ⑂ 10K | ⑂ 1.5K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick fastapi if
- You weight community size — 105K stars and counting
- You want the MIT license terms
- Your stack matches Python
- You value the larger contributor base for long-term maintenance
pick kubernetes-client if
- You want the kubernetes-client feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches Java
- You evaluated both and kubernetes-client fits your workflow better
About fastapi
FastAPI framework, high performance, easy to learn, fast to code, ready for production Documentation : Source Code : FastAPI is a modern, fast (high performance), web framework for building APIs with Python based on standard Python type hints. The key features are: Fast : Very high performance, on par with NodeJS and Go (thanks to Starlette and Pydantic). One of the fastest Python frameworks available. Fast to code : Increase the speed to develop features by about 200% to 300%. Fewer bugs : Reduce about 40% of human (developer) induced errors. Intuitive : Great editor support. Completion everywhere. Less time…
read the full fastapi overview →
About kubernetes-client
Kubernetes & OpenShift Java Client This client provides access to the full Kubernetes & OpenShift REST APIs via a fluent DSL. Contents Usage Creating a client Configuring the client Loading resources from external sources Passing a reference of a resource to the client Adapting a client Adapting and close Generating CRD from Java Generating Java from CRD Mocking Kubernetes Who Uses Fabric8 Kubernetes Client? Kubernetes Operators in Java Written using Fabric8 Kubernetes Client Kubernetes and Red Hat OpenShift Compatibility Kubernetes Client CHEAT SHEET Kubectl Java Equivalents FAQs which includes details about…
read the full kubernetes-client overview →
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Frequently asked questions
Is fastapi or kubernetes-client more popular?
fastapi has 104,542 GitHub stars and kubernetes-client has 3,685. fastapi has the larger community by that measure.
Are fastapi and kubernetes-client free?
Both are open source. fastapi is licensed under MIT and kubernetes-client under Apache-2.0. Neither carries a licence fee.
What is the difference between fastapi and kubernetes-client?
fastapi is written in Python and kubernetes-client in Java. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, fastapi or kubernetes-client?
Choose fastapi if you want the larger community (104,542 stars) or its MIT licence terms. Choose kubernetes-client if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.