Top 21 C# Swagger Projects

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1. NSwag

   1 47 7,152 8.9 C#

   The Swagger/OpenAPI toolchain for .NET, ASP.NET Core and TypeScript.

   

   Project mention: Criando Web APIs modernas, autônomas e rastreáveis com .Net Core utilizando arquitetura de microsserviços – Parte 2 | dev.to | 2025-03-06

2. Sevalla

   sevalla.com featured

   Deploy and host your apps and databases, now with $50 credit! Sevalla is the PaaS you have been looking for! Advanced deployment pipelines, usage-based pricing, preview apps, templates, human support by developers, and much more!

   

3. EquinoxProject

   2 2 6,717 6.5 C#

   Web Application ASP.NET 9 using Clean Architecture, DDD, CQRS, Event Sourcing and a lot of good practices

   

4. MagicOnion

   3 4 4,204 9.4 C#

   Unified Realtime/API framework for .NET platform and Unity.

   

5. ASP.NET MVC Boilerplate

   4 2 3,463 0.0 C#

   .NET project templates with batteries included, providing the minimum amount of code required to get you going faster.

   

6. run-aspnetcore-microservices

   5 2 3,069 5.0 C#

   Microservices on .NET platforms used ASP.NET Web API, Docker, RabbitMQ, MassTransit, Grpc, Yarp API Gateway, PostgreSQL, Redis, SQLite, SqlServer, Marten, Entity Framework Core, CQRS, MediatR, DDD, Vertical and Clean Architecture implementation with using latest features of .NET 8 and C# 12

   

7. WebApiClient

   6 0 2,105 7.7 C#

   A REST API library with better functionality, performance, and scalability than refit

   

8. ASP.NET MVC Boilerplate Framework

   7 0 721 0.0 C#

   .NET Core Extensions and Helper NuGet packages. (by Dotnet-Boxed)

   

9. InfluxDB

   www.influxdata.com featured

   InfluxDB – Built for High-Performance Time Series Workloads. InfluxDB 3 OSS is now GA. Transform, enrich, and act on time series data directly in the database. Automate critical tasks and eliminate the need to move data externally. Download now.

   

10. Swashbuckle.AspNetCore.Filters

    8 2 436 3.0 C#

    A bunch of useful filters for Swashbuckle.AspNetCore

    

11. Nucleus

    9 4 356 0.0 C#

    Vue startup application template that uses ASP.NET Core API layered architecture at the back-end and JWT based authentication (by alirizaadiyahsi)

    

12. silky

    10 0 281 7.1 C#

    The Silky framework is designed to help developers quickly build a microservice development framework through simple code and configuration under the .net platform.

    

13. OpenAPI.NET.OData

    11 1 225 9.1 C#

    Generates OpenAPI document from OData CSDL

    

14. openapi-starter

    12 1 196 4.1 C#

    OpenAPI starter repository

    

15. apiclientcodegen

    13 1 191 9.8 C#

    A collection of Visual Studio code generators for Swagger / OpenAPI specification files

    

16. Unchase.OpenAPI.Connectedservice

    14 0 108 6.0 C#

    :scroll: Visual Studio extension to generate OpenAPI (Swagger) web service reference.

    

17. LeetU

    15 5 100 5.0 C#

    A basic REST API using EFCore and SQLite

    

18. Joker

    16 1 60 10.0 C#

    An example of microservices container based application which implemented different approaches within each microservice (DDD, CQRS, Simple CRUD) (by MesutAtasoy)

    

19. ExpenseTracker

    17 1 48 7.2 C#

    ExpenseTracker is a modular, event-sourced .NET Core application designed to manage personal finances. It uses Clean Architecture, Domain-Driven Design (DDD), and Event Sourcing to deliver a scalable and maintainable system. (by aekoky)

    

    Project mention: 🚀 ExpenseTracker – A .NET 8 Microservices POC with Event Sourcing, RabbitMQ, and Kong Gateway | dev.to | 2025-06-24

    🔗 https://github.com/aekoky/ExpenseTracker

20. miny-todo-nlayer

    18 1 7 0.0 C#

    My mini todo - nlayer todo application in .NET

    

21. Xtz.StronglyTyped

    19 3 4 10.0 C#

    Set of NuGet packages to strongly-type your interfaces (properties, methods, APIs, DB entities, appsettings). Eliminate stringly-typed interfaces. Make compiler your friend, introduce semantics to your code.

    

22. sample-httpclientfactory-polly

    20 1 4 0.0 C#

    Example of using HttpClientFactory in .NET Core 3.1 with Swagger, MediatR and Serilog

    

23. datalang-db-to-api

    21 1 1 5.7 C#

    Query your Database via API

    

24. SaaSHub

    www.saashub.com featured

    SaaSHub - Software Alternatives and Reviews. SaaSHub helps you find the best software and product alternatives

    

C# Swagger related posts

• Criando Web APIs modernas, autônomas e rastreáveis com .Net Core utilizando arquitetura de microsserviços – Parte 2

  2 projects | dev.to | 6 Mar 2025

• Criando Web APIs modernas, autônomas e rastreáveis com .Net Core utilizando arquitetura de microsserviços – Parte 1

  5 projects | dev.to | 6 Mar 2025

• NET9: Swagger no compatible [Alternativas]

  1 project | dev.to | 13 Jan 2025

• NSwag: OpenAPI/Swagger Toolchain for .NET, Asp.net Core and TypeScript

  1 project | news.ycombinator.com | 4 Sep 2024

• Tipar automáticamente Swagger/OpenAPI endpoints con NSwag

  1 project | dev.to | 30 Jun 2024

• Show HN: Kyoo self hosted media browser (jellyfin/plex alternative)

  5 projects | news.ycombinator.com | 5 Apr 2024

• Killed by open sourced software. Companies that have had a significant market share stolen from open sourced alternatives.

  3 projects | /r/opensource | 11 Dec 2023
• A note from our sponsor - Sevalla
  sevalla.com | 1 Sep 2025

  Sevalla is the PaaS you have been looking for! Advanced deployment pipelines, usage-based pricing, preview apps, templates, human support by developers, and much more! Learn more →

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