head to head · open source
SafeLine vs swagger-core
SafeLine has 23,154 GitHub stars, 1,592 forks, 69 open issues and last shipped 12 days ago. swagger-core has 7,534 stars, 2,255 forks, 197 open issues and last shipped 6 days ago. SafeLine leads on adoption by 207% (23,154 vs 7,534 stars). SafeLine is written in Go under GPL-3.0; swagger-core is written in Java under Apache-2.0. SafeLine has attracted 7% as many forks as stars, swagger-core 30%. swagger-core 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 | swagger-core | |
|---|---|---|
| GitHub stars | ★ 23K | ★ 7.5K |
| License | GPL-3.0 | Apache-2.0 |
| Written in | Go | Java |
| Last push | 2026-10-22 | 2026-10-28 |
| Forks | ⑂ 1.6K | ⑂ 2.3K |
| 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 swagger-core if
- You want the swagger-core 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 swagger-core 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 swagger-core
Swagger Core NOTE: If you're looking for Swagger Core 1.5.X and OpenAPI 2.0, please refer to 1.5 branch. NOTE: Since version 2.1.7, Swagger Core also supports the Jakarta namespace. There are a parallel set of artifacts with the jakarta suffix, providing the same functionality as the unsuffixed (i.e.: javax ) artifacts. Please see the Wiki for more details. NOTE: Since version 2.2.0 Swagger Core supports OpenAPI 3.1; see this page for details Swagger Core is a Java implementation of the OpenAPI Specification. Current version supports JAX RS2 ( javax and jakarta namespaces). Get started with Swagger Core! See the…
read the full swagger-core overview →
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Frequently asked questions
Is SafeLine or swagger-core more popular?
SafeLine has 23,154 GitHub stars and swagger-core has 7,534. SafeLine has the larger community by that measure.
Are SafeLine and swagger-core free?
Both are open source. SafeLine is licensed under GPL-3.0 and swagger-core under Apache-2.0. Neither carries a licence fee.
What is the difference between SafeLine and swagger-core?
SafeLine is written in Go and swagger-core 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 swagger-core?
Choose SafeLine if you want the larger community (23,154 stars) or its GPL-3.0 licence terms. Choose swagger-core if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.