head to head · open source
grpc-gateway vs fusio
grpc-gateway has 20,008 GitHub stars, 2,413 forks, 149 open issues and last shipped yesterday. fusio has 2,129 stars, 247 forks, 169 open issues and last shipped 10 days ago. grpc-gateway leads on adoption by 840% (20,008 vs 2,129 stars). grpc-gateway is written in Go under BSD-3-Clause; fusio is written in PHP under Apache-2.0. grpc-gateway has attracted 12% as many forks as stars, fusio 12%. grpc-gateway was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (openapi), 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
| grpc-gateway | fusio | |
|---|---|---|
| GitHub stars | ★ 20K | ★ 2.1K |
| License | BSD-3-Clause | Apache-2.0 |
| Written in | Go | PHP |
| Last push | 2026-11-04 | 2026-10-26 |
| Forks | ⑂ 2.4K | ⑂ 247 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick grpc-gateway if
- You weight community size — 20K stars and counting
- You want the BSD-3-Clause license terms
- Your stack matches Go
- You value the larger contributor base for long-term maintenance
pick fusio if
- You want the fusio feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches PHP
- You evaluated both and fusio fits your workflow better
About grpc-gateway
gRPC Gateway gRPC to JSON proxy generator following the gRPC HTTP spec About The gRPC Gateway is a plugin of the Google protocol buffers compiler protoc. It reads protobuf service definitions and generates a reverse proxy server which translates a RESTful HTTP API into gRPC. This server is generated according to the google.api.http annotations in your service definitions. This helps you provide your APIs in both gRPC and RESTful style at the same time. Docs You can read our docs at: Testimonials We use the gRPC Gateway to serve millions of API requests per day, and have been since 2018 and through all of that…
read the full grpc-gateway overview →
About fusio
Fusio Open Source API Management Platform Turn your business logic into scalable API products for humans and AI agents. 📖 Documentation • 📺 Video Walkthrough (15m) • 💬 Discord Community Fusio is a self hosted, open source backend platform and API gateway written in PHP that bridges the gap between your internal infrastructure and the outside world. Whether you are exposing legacy databases, orchestrating microservices, or building custom business logic, Fusio handles the heavy lifting. It transforms your services into a professional API product, complete with an automated developer portal, SDK generation, and…
read the full fusio overview →
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Frequently asked questions
Is grpc-gateway or fusio more popular?
grpc-gateway has 20,008 GitHub stars and fusio has 2,129. grpc-gateway has the larger community by that measure.
Are grpc-gateway and fusio free?
Both are open source. grpc-gateway is licensed under BSD-3-Clause and fusio under Apache-2.0. Neither carries a licence fee.
What is the difference between grpc-gateway and fusio?
grpc-gateway is written in Go and fusio in PHP. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, grpc-gateway or fusio?
Choose grpc-gateway if you want the larger community (20,008 stars) or its BSD-3-Clause licence terms. Choose fusio if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.