head to head · open source
SafeLine vs NSwag
SafeLine has 23,154 GitHub stars, 1,592 forks, 69 open issues and last shipped 12 days ago. NSwag has 7,369 stars, 1,363 forks, 2,057 open issues and last shipped 2 months ago. SafeLine leads on adoption by 214% (23,154 vs 7,369 stars). SafeLine is written in Go under GPL-3.0; NSwag is written in C# under MIT. SafeLine has attracted 7% as many forks as stars, NSwag 18%. SafeLine 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 | NSwag | |
|---|---|---|
| GitHub stars | ★ 23K | ★ 7.4K |
| License | GPL-3.0 | MIT |
| Written in | Go | C# |
| Last push | 2026-10-22 | 2026-09-07 |
| Forks | ⑂ 1.6K | ⑂ 1.4K |
| 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 NSwag if
- You want the NSwag feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches C#
- You evaluated both and NSwag 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 NSwag
NSwag: The Swagger/OpenAPI toolchain for .NET, ASP.NET Core and TypeScript NSwag NJsonSchema Apimundo Namotion.Reflection :point right: Announcing Apimundo: An API documentation system based on NSwag and NJsonSchema :point left: NSwag is a Swagger/OpenAPI 2.0 and 3.0 toolchain for .NET, .NET Core, Web API, ASP.NET Core, TypeScript (jQuery, AngularJS, Angular 2+, Aurelia, KnockoutJS and more) and other platforms, written in C . The OpenAPI/Swagger specification uses JSON and JSON Schema to describe a RESTful web API. The NSwag project provides tools to generate OpenAPI specifications from existing ASP.NET Web API…
read the full NSwag overview →
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Frequently asked questions
Is SafeLine or NSwag more popular?
SafeLine has 23,154 GitHub stars and NSwag has 7,369. SafeLine has the larger community by that measure.
Are SafeLine and NSwag free?
Both are open source. SafeLine is licensed under GPL-3.0 and NSwag under MIT. Neither carries a licence fee.
What is the difference between SafeLine and NSwag?
SafeLine is written in Go and NSwag in C#. 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 NSwag?
Choose SafeLine if you want the larger community (23,154 stars) or its GPL-3.0 licence terms. Choose NSwag if its feature set, stack or MIT licence fits better. Both are self-hostable.