head to head · open source
SafeLine vs fusio
SafeLine has 23,166 GitHub stars, 1,594 forks, 69 open issues and last shipped 14 days ago. fusio has 2,129 stars, 247 forks, 169 open issues and last shipped 10 days ago. SafeLine leads on adoption by 988% (23,166 vs 2,129 stars). SafeLine is written in Go under GPL-3.0; fusio is written in PHP under Apache-2.0. SafeLine has attracted 7% as many forks as stars, fusio 12%. fusio was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (api-gateway), 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
| SafeLine | fusio | |
|---|---|---|
| GitHub stars | ★ 23K | ★ 2.1K |
| License | GPL-3.0 | Apache-2.0 |
| Written in | Go | PHP |
| Last push | 2026-10-22 | 2026-10-26 |
| Forks | ⑂ 1.6K | ⑂ 247 |
| 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 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 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 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 SafeLine or fusio more popular?
SafeLine has 23,166 GitHub stars and fusio has 2,129. SafeLine has the larger community by that measure.
Are SafeLine and fusio free?
Both are open source. SafeLine is licensed under GPL-3.0 and fusio under Apache-2.0. Neither carries a licence fee.
What is the difference between SafeLine and fusio?
SafeLine 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, SafeLine or fusio?
Choose SafeLine if you want the larger community (23,166 stars) or its GPL-3.0 licence terms. Choose fusio if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.