head to head · open source
openapi-generator vs easegress
openapi-generator has 26,846 GitHub stars, 7,748 forks, 5,819 open issues and last shipped yesterday. easegress has 5,873 stars, 500 forks, 10 open issues and last shipped 21 days ago. openapi-generator leads on adoption by 357% (26,846 vs 5,873 stars). openapi-generator is written in Java under Apache-2.0; easegress is written in Go under Apache-2.0. openapi-generator has attracted 29% as many forks as stars, easegress 9%. 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 | easegress | |
|---|---|---|
| GitHub stars | ★ 27K | ★ 5.9K |
| License | Apache-2.0 | Apache-2.0 |
| Written in | Java | Go |
| Last push | 2026-11-02 | 2026-10-13 |
| Forks | ⑂ 7.7K | ⑂ 500 |
| 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 easegress if
- You want the easegress feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches Go
- You evaluated both and easegress 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 easegress
Easegress What is Easegress Features Getting Started Launch Easegress Reverse Proxy Use Cases Documentation Easegress Portal Screenshots Community Contributing License What is Easegress Easegress is a Cloud Native traffic orchestration system designed for: High Availability: Built in Raft consensus & leader election provides 99.99% availability. Traffic Orchestration: Simple orchestration of various filters for each traffic pipeline. High Performance: Lightweight and essential features speed up the performance. Observability: There are many meaningful statistics periodically in a readable way. Extensibility…
read the full easegress overview →
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Frequently asked questions
Is openapi-generator or easegress more popular?
openapi-generator has 26,846 GitHub stars and easegress has 5,873. openapi-generator has the larger community by that measure.
Are openapi-generator and easegress free?
Both are open source. openapi-generator is licensed under Apache-2.0 and easegress under Apache-2.0. Neither carries a licence fee.
What is the difference between openapi-generator and easegress?
openapi-generator is written in Java and easegress in Go. 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 easegress?
Choose openapi-generator if you want the larger community (26,846 stars) or its Apache-2.0 licence terms. Choose easegress if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.