head to head · open source
openapi-generator vs cypress-realworld-app
openapi-generator has 26,846 GitHub stars, 7,748 forks, 5,819 open issues and last shipped yesterday. cypress-realworld-app has 5,915 stars, 2,625 forks, 31 open issues and last shipped 2 days ago. openapi-generator leads on adoption by 354% (26,846 vs 5,915 stars). openapi-generator is written in Java under Apache-2.0; cypress-realworld-app is written in TypeScript under MIT. openapi-generator has attracted 29% as many forks as stars, cypress-realworld-app 44%. openapi-generator 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
| openapi-generator | cypress-realworld-app | |
|---|---|---|
| GitHub stars | ★ 27K | ★ 5.9K |
| License | Apache-2.0 | MIT |
| Written in | Java | TypeScript |
| Last push | 2026-11-02 | 2026-11-01 |
| Forks | ⑂ 7.7K | ⑂ 2.6K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick openapi-generator if
- You weight community size — 27K stars and counting
- You want the Apache-2.0 license terms
- Your stack matches Java
- You value the larger contributor base for long-term maintenance
pick cypress-realworld-app if
- You want the cypress-realworld-app feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches TypeScript
- You evaluated both and cypress-realworld-app fits your workflow better
About openapi-generator
OpenAPI Generator Master ( 7.27.0 ): :star::star::star: If you would like to contribute, please refer to guidelines and a list of open tasks. :star::star::star: :bangbang: To migrate from Swagger Codegen to OpenAPI Generator, please refer to the migration guide :bangbang: :notebook with decorative cover: For more information, please refer to the Wiki page and FAQ :notebook with decorative cover: :notebook with decorative cover: The eBook A Beginner's Guide to Code Generation for REST APIs is a good starting point for beginners :notebook with decorative cover: :warning: If the OpenAPI spec, templates or any input…
read the full openapi-generator overview →
About cypress-realworld-app
A payment application to demonstrate real world usage of Cypress testing methods, patterns, and workflows. 💬 Note from maintainers This application is purely for demonstration and educational purposes. Its setup and configuration resemble typical real world applications, but it's not a full fledged production system. Use this app to learn, experiment, tinker, and practice application testing with Cypress. Happy Testing! Features 🛠 Built with [React][reactjs], [XState][xstate], [Express][express], [lowdb][lowdb], [Material UI][material ui] and [TypeScript][typescript] ⚡️ Zero database dependencies 🚀 Full stack…
read the full cypress-realworld-app overview →
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Frequently asked questions
Is openapi-generator or cypress-realworld-app more popular?
openapi-generator has 26,846 GitHub stars and cypress-realworld-app has 5,915. openapi-generator has the larger community by that measure.
Are openapi-generator and cypress-realworld-app free?
Both are open source. openapi-generator is licensed under Apache-2.0 and cypress-realworld-app under MIT. Neither carries a licence fee.
What is the difference between openapi-generator and cypress-realworld-app?
openapi-generator is written in Java and cypress-realworld-app in TypeScript. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, openapi-generator or cypress-realworld-app?
Choose openapi-generator if you want the larger community (26,846 stars) or its Apache-2.0 licence terms. Choose cypress-realworld-app if its feature set, stack or MIT licence fits better. Both are self-hostable.