head to head · open source
SafeLine vs wiremock
SafeLine has 22,606 GitHub stars, 1,533 forks, 69 open issues and last shipped 8 days ago. wiremock has 7,374 stars, 1,518 forks, 503 open issues and last shipped 3 days ago. SafeLine leads on adoption by 207% (22,606 vs 7,374 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 | 2026-09-10 | 2026-09-15 |
| Forks | ⑂ 1.5K | ⑂ 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 is a self hosted web application firewall and reverse proxy, written in Go and licensed under GPL 3.0, that filters, monitors, and blocks malicious HTTP/S traffic before it reaches a web application — built for developers, AppSec engineers, and blue teams who want to run edge protection on their own infrastructure.
read the full SafeLine overview →
About wiremock
WireMock is an open source tool for mocking HTTP services, started in 2011 as a Java library by Tom Akehurst and now spanning multiple programming languages and technology stacks. It lives in the Java ecosystem, is licensed under Apache 2.0, and is published at wiremock.org. The project can run as a library or client wrapper in many languages, or as a standalone server, and it supports several approaches for creating mock APIs: in code, via its REST API, as JSON files, and by recording HTTP traffic proxied to another destination.
read the full wiremock overview →
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Frequently asked questions
Is SafeLine or wiremock more popular?
SafeLine has 22,606 GitHub stars and wiremock has 7,374. 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 (22,606 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.