head to head · open source

Hoppscotch vs SafeLine

Hoppscotch has 80,724 GitHub stars, 6,225 forks, 820 open issues and last shipped 3 days ago. SafeLine has 23,154 stars, 1,592 forks, 69 open issues and last shipped 12 days ago. Hoppscotch leads on adoption by 249% (80,724 vs 23,154 stars). Hoppscotch is written in TypeScript under MIT; SafeLine is written in Go under GPL-3.0. Hoppscotch has attracted 8% as many forks as stars, SafeLine 7%. Hoppscotch 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.

Hoppscotch ★ 81K SafeLine ★ 23K category Developer Tools

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Side by side

Hoppscotch SafeLine
GitHub stars ★ 81K ★ 23K
License MIT GPL-3.0
Written in TypeScript Go
Last push 2026-10-31 2026-10-22
Forks ⑂ 6.2K ⑂ 1.6K
Self-hosting Yes Yes
Data ownership Your server Your server

pick Hoppscotch if

  • You weight community size — 81K stars and counting
  • You want the MIT license terms
  • Your stack matches TypeScript
  • You value the larger contributor base for long-term maintenance

full Hoppscotch profile →

pick SafeLine if

  • You want the SafeLine feature set and don't need the biggest community
  • You prefer the GPL-3.0 license terms
  • Your stack matches Go
  • You evaluated both and SafeLine fits your workflow better

full SafeLine profile →

About Hoppscotch

Hoppscotch Open Source API Development Ecosystem Built with ❤︎ by contributors We highly recommend you take a look at the Hoppscotch Documentation to learn more about the app. Support Features ❤️ Lightweight: Crafted with minimalistic UI design. ⚡️ Fast: Send requests and get responses in real time. 🗄️ HTTP Methods: Request methods define the type of action you are requesting to be performed. GET Requests retrieve resource information POST The server creates a new entry in a database PUT Updates an existing resource PATCH Very similar to PUT but makes a partial update on a resource DELETE Deletes resource or…

read the full Hoppscotch overview →

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 →

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Frequently asked questions

Is Hoppscotch or SafeLine more popular?

Hoppscotch has 80,724 GitHub stars and SafeLine has 23,154. Hoppscotch has the larger community by that measure.

Are Hoppscotch and SafeLine free?

Both are open source. Hoppscotch is licensed under MIT and SafeLine under GPL-3.0. Neither carries a licence fee.

What is the difference between Hoppscotch and SafeLine?

Hoppscotch is written in TypeScript and SafeLine 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, Hoppscotch or SafeLine?

Choose Hoppscotch if you want the larger community (80,724 stars) or its MIT licence terms. Choose SafeLine if its feature set, stack or GPL-3.0 licence fits better. Both are self-hostable.