head to head · open source
OpenAPI-Specification vs cypress-realworld-app
OpenAPI-Specification has 31,295 GitHub stars, 9,144 forks, 80 open issues and last shipped 2 days ago. cypress-realworld-app has 5,917 stars, 2,626 forks, 31 open issues and last shipped 4 days ago. OpenAPI-Specification leads on adoption by 429% (31,295 vs 5,917 stars). OpenAPI-Specification is written in Markdown under Apache-2.0; cypress-realworld-app is written in TypeScript under MIT. OpenAPI-Specification has attracted 29% as many forks as stars, cypress-realworld-app 44%. OpenAPI-Specification 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-Specification | cypress-realworld-app | |
|---|---|---|
| GitHub stars | ★ 31K | ★ 5.9K |
| License | Apache-2.0 | MIT |
| Written in | Markdown | TypeScript |
| Last push | 2026-11-03 | 2026-11-01 |
| Forks | ⑂ 9.1K | ⑂ 2.6K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick OpenAPI-Specification if
- You weight community size — 31K stars and counting
- You want the Apache-2.0 license terms
- Your stack matches Markdown
- 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-Specification
The OpenAPI Specification The OpenAPI Specification is a community driven open specification within the OpenAPI Initiative, a Linux Foundation Collaborative Project. The OpenAPI Specification (OAS) defines a standard, programming language agnostic interface description for HTTP APIs. This allows both humans and computers to discover and understand the capabilities of a service without requiring access to source code, additional documentation, or inspection of network traffic. When properly defined via OpenAPI, a consumer can understand and interact with the remote service with a minimal amount of implementation…
read the full OpenAPI-Specification 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-Specification or cypress-realworld-app more popular?
OpenAPI-Specification has 31,295 GitHub stars and cypress-realworld-app has 5,917. OpenAPI-Specification has the larger community by that measure.
Are OpenAPI-Specification and cypress-realworld-app free?
Both are open source. OpenAPI-Specification is licensed under Apache-2.0 and cypress-realworld-app under MIT. Neither carries a licence fee.
What is the difference between OpenAPI-Specification and cypress-realworld-app?
OpenAPI-Specification is written in Markdown 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-Specification or cypress-realworld-app?
Choose OpenAPI-Specification if you want the larger community (31,295 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.