head to head · open source
SafeLine vs wiremock
SafeLine has 23,154 GitHub stars, 1,592 forks, 69 open issues and last shipped 12 days ago. wiremock has 7,415 stars, 1,533 forks, 503 open issues and last shipped yesterday. SafeLine leads on adoption by 212% (23,154 vs 7,415 stars). SafeLine is written in Go under GPL-3.0; wiremock is written in Java under Apache-2.0. SafeLine has attracted 7% as many forks as stars, wiremock 21%. wiremock 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 | wiremock | |
|---|---|---|
| GitHub stars | ★ 23K | ★ 7.4K |
| License | GPL-3.0 | Apache-2.0 |
| Written in | Go | Java |
| Last push | 2026-10-22 | 2026-11-02 |
| Forks | ⑂ 1.6K | ⑂ 1.5K |
| 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 wiremock if
- You want the wiremock feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches Java
- You evaluated both and wiremock 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 wiremock
WireMock flexible, open source API mocking WireMock open source is supported by WireMock Cloud . Please consider trying it out if your team needs advanced capabilities such as OpenAPI, dynamic state, data sources and more. WireMock is the popular open source tool for API mocking, with over 6 million downloads per month, and powers WireMock Cloud. It can help you to create stable test and development environments, isolate yourself from flaky 3rd parties and simulate APIs that don’t exist yet. Started in 2011 as a Java library by Tom Akehurst, now WireMock spans across multiple programming languages and technology…
read the full wiremock overview →
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Frequently asked questions
Is SafeLine or wiremock more popular?
SafeLine has 23,154 GitHub stars and wiremock has 7,415. SafeLine has the larger community by that measure.
Are SafeLine and wiremock free?
Both are open source. SafeLine is licensed under GPL-3.0 and wiremock under Apache-2.0. Neither carries a licence fee.
What is the difference between SafeLine and wiremock?
SafeLine is written in Go and wiremock in Java. 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 wiremock?
Choose SafeLine if you want the larger community (23,154 stars) or its GPL-3.0 licence terms. Choose wiremock if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.