head to head · open source
Insomnia vs serverless-java-container
Insomnia has 40,022 GitHub stars, 2,366 forks, 874 open issues and last shipped today. serverless-java-container has 1,564 stars, 574 forks, 113 open issues and last shipped 28 days ago. Insomnia leads on adoption by 2,459% (40,022 vs 1,564 stars). Insomnia is written in TypeScript under Apache-2.0; serverless-java-container is written in Java under Apache-2.0. Insomnia has attracted 6% as many forks as stars, serverless-java-container 37%. Insomnia was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 2 topic tags (api, rest-api), so they are genuine substitutes rather than adjacent tools.
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 | serverless-java-container | |
|---|---|---|
| GitHub stars | ★ 40K | ★ 1.6K |
| License | Apache-2.0 | Apache-2.0 |
| Written in | TypeScript | Java |
| Last push | 2026-09-18 | 2026-08-21 |
| Forks | ⑂ 2.4K | ⑂ 574 |
| 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 serverless-java-container if
- You want the serverless-java-container 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 serverless-java-container 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 serverless-java-container
Serverless Java container The aws serverless java container makes it easy to run Java applications written with frameworks such as Spring, Spring Boot, Apache Struts, Jersey, or Spark in AWS Lambda. Serverless Java Container natively supports API Gateway's proxy integration models for requests and responses, you can create and inject custom models for methods that use custom mappings. Currently the following versions are maintained: Follow the quick start guides in our wiki to integrate Serverless Java Container with your project: Spring quick start Spring Boot 2 quick start Spring Boot 3 quick start Spring Boot …
read the full serverless-java-container overview →
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Frequently asked questions
Is Insomnia or serverless-java-container more popular?
Insomnia has 40,022 GitHub stars and serverless-java-container has 1,564. Insomnia has the larger community by that measure.
Are Insomnia and serverless-java-container free?
Both are open source. Insomnia is licensed under Apache-2.0 and serverless-java-container under Apache-2.0. Neither carries a licence fee.
What is the difference between Insomnia and serverless-java-container?
Insomnia is written in TypeScript and serverless-java-container 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 serverless-java-container?
Choose Insomnia if you want the larger community (40,022 stars) or its Apache-2.0 licence terms. Choose serverless-java-container if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.