head to head · open source
Insomnia vs kubernetes-client
Insomnia has 40,021 GitHub stars, 2,365 forks, 874 open issues and last shipped yesterday. kubernetes-client has 3,677 stars, 1,519 forks, 115 open issues and last shipped 2 days ago. Insomnia leads on adoption by 988% (40,021 vs 3,677 stars). Insomnia is written in TypeScript under Apache-2.0; kubernetes-client is written in Java under Apache-2.0. Insomnia has attracted 6% as many forks as stars, kubernetes-client 41%. Insomnia 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
| Insomnia | kubernetes-client | |
|---|---|---|
| GitHub stars | ★ 40K | ★ 3.7K |
| License | Apache-2.0 | Apache-2.0 |
| Written in | TypeScript | Java |
| Last push | 2026-09-17 | 2026-09-16 |
| Forks | ⑂ 2.4K | ⑂ 1.5K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Insomnia if
- You weight community size — 40K stars and counting
- You want the Apache-2.0 license terms
- Your stack matches TypeScript
- 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 Insomnia
Insomnia is an open source, cross platform API client built with Electron and TypeScript for developing and testing APIs across multiple protocols including REST, GraphQL, WebSockets, SSE, and gRPC. It runs on macOS, Windows, and Linux and is distributed under the Apache 2.0 license. The project serves as a direct open source alternative to Postman, offering similar core functionality without vendor lock in or mandatory cloud usage.
read the full Insomnia overview →
About kubernetes-client
Kubernetes & OpenShift Java Client is a Java library that provides access to the full Kubernetes and OpenShift REST APIs through a fluent domain specific language. It lives in the Kubernetes and OpenShift ecosystem, and it is distributed as Java artifacts for JVM based applications, services, and tooling.
read the full kubernetes-client overview →
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Frequently asked questions
Is Insomnia or kubernetes-client more popular?
Insomnia has 40,021 GitHub stars and kubernetes-client has 3,677. Insomnia has the larger community by that measure.
Are Insomnia and kubernetes-client free?
Both are open source. Insomnia is licensed under Apache-2.0 and kubernetes-client under Apache-2.0. Neither carries a licence fee.
What is the difference between Insomnia and kubernetes-client?
Insomnia is written in TypeScript 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, Insomnia or kubernetes-client?
Choose Insomnia if you want the larger community (40,021 stars) or its Apache-2.0 licence terms. Choose kubernetes-client if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.