head to head · open source
SafeLine vs grpc-gateway
SafeLine has 23,154 GitHub stars, 1,592 forks, 69 open issues and last shipped 12 days ago. grpc-gateway has 20,012 stars, 2,415 forks, 149 open issues and last shipped yesterday. SafeLine leads on adoption by 16% (23,154 vs 20,012 stars). SafeLine is written in Go under GPL-3.0; grpc-gateway is written in Go under BSD-3-Clause. SafeLine has attracted 7% as many forks as stars, grpc-gateway 12%. grpc-gateway 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
| SafeLine | grpc-gateway | |
|---|---|---|
| GitHub stars | ★ 23K | ★ 20K |
| License | GPL-3.0 | BSD-3-Clause |
| Written in | Go | Go |
| Last push | 2026-10-22 | 2026-11-02 |
| Forks | ⑂ 1.6K | ⑂ 2.4K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick SafeLine if
- You weight community size — 23K stars and counting
- You want the GPL-3.0 license terms
- Your stack matches Go
- You value the larger contributor base for long-term maintenance
pick grpc-gateway if
- You want the grpc-gateway feature set and don't need the biggest community
- You prefer the BSD-3-Clause license terms
- Your stack matches Go
- You evaluated both and grpc-gateway fits your workflow better
About SafeLine
SafeLine Make your web apps secure 🏠 Website 📖 Docs 🔍 Live Demo 🙋♂️ Discord 中文版 🏆 Achievements 👋 INTRODUCTION SafeLine is a self hosted WAF(Web Application Firewall) to protect your web apps from attacks and exploits. A web application firewall helps protect web apps by filtering and monitoring HTTP traffic between a web application and the Internet. It typically protects web apps from attacks such as SQL injection , XSS , code injection , os command injection , CRLF injection , ldap injection , xpath injection , RCE , XXE , SSRF , path traversal , backdoor , bruteforce , http flood , bot abused , among…
read the full SafeLine overview →
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 →
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Frequently asked questions
Is SafeLine or grpc-gateway more popular?
SafeLine has 23,154 GitHub stars and grpc-gateway has 20,012. SafeLine has the larger community by that measure.
Are SafeLine and grpc-gateway free?
Both are open source. SafeLine is licensed under GPL-3.0 and grpc-gateway under BSD-3-Clause. Neither carries a licence fee.
What is the difference between SafeLine and grpc-gateway?
SafeLine is written in Go and grpc-gateway 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, SafeLine or grpc-gateway?
Choose SafeLine if you want the larger community (23,154 stars) or its GPL-3.0 licence terms. Choose grpc-gateway if its feature set, stack or BSD-3-Clause licence fits better. Both are self-hostable.