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Top 23 C# ASPnetcore Projects
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ASP.NET Core
ASP.NET Core is a cross-platform .NET framework for building modern cloud-based web applications on Windows, Mac, or Linux.
.NET's Kestrel is the opposite precedent, and the stable one: after a client disconnect, writes to the response are silently discarded and the documented contract is "observe the RequestAborted cancellation token." That token is exactly what PAGI's pagi.connection object is.
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// https://github.com/jasontaylordev/CleanArchitecture/blob/main/src/Application/Common/Interfaces/IApplicationDbContext.cs public interface IApplicationDbContext { DbSet TodoLists { get; } DbSet TodoItems { get; } Task SaveChangesAsync(CancellationToken cancellationToken); }
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The public keys and ~/.ssh/config are committed as plain files, the private halves are rendered from Bitwarden at apply time and never touch git. The same mechanism fills in per-machine values — my .chezmoi.toml.tmpl pulls a few cloud subscription IDs from a Bitwarden item so the helper scripts in ~/.local/bin know which subscription to talk to without those IDs living in a public repo.
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ABP
Open-source web application framework for ASP.NET Core! Offers an opinionated architecture to build enterprise software solutions with best practices on top of the .NET. Provides the fundamental infrastructure, cross-cutting-concern implementations, startup templates, application modules, UI themes, tooling and documentation.
Project mention: We migrated a .NET app from ABP Framework to Granit without downtime - here's the playbook | dev.to | 2026-05-21We just finished moving a 15-module .NET service from ABP Framework to Granit — without a maintenance window, without a code freeze, and without a parallel run-everything-twice phase. The whole thing took about ten weeks running alongside feature work.
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And then there's the list of projects that depend on it directly - some of which you've almost certainly used: Bitwarden (the password manager), Jackett and Prowlarr (torrent/indexer tooling), Playnite (game library manager), ArchiSteamFarm, OrchardCore (a full CMS/app framework), OpenIddict (OAuth2/OpenID Connect for .NET), YoutubeExplode, and even Microsoft's own ASP.NET Core documentation tooling repository.
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DotNetGuide
🌈【C#/.NET/.NET Core学习、工作、面试指南】记录、收集和总结C#/.NET/.NET Core基础知识、学习路线、开发实战、编程技巧练习、学习视频、文章、书籍、项目框架、社区组织、开发必备工具、技术前沿周刊、常见面试题、面试须知、简历模板、人才招聘、以及自己在学习和工作中的一些微薄见解。希望能和大家一起学习，共同进步。如果本知识库能为您提供帮助，别忘了给予支持哦(关注、点赞、分享)💖。
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AppSignal
Monitoring that respects your time & budget. APM, error tracking, and dashboards for modern web apps. Ten-minute setup, transparent flat pricing, and support from engineers who actually use the product.
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practical-aspnetcore
Practical samples of ASP.NET Core 11, 10, 9, 8.0, 7.0, 6.0, 5.0, 3.1, 2.2, and 2.1,projects you can use. Readme contains explanations on all projects.
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Project mention: Show Dev: Here's how we made AI 2x faster at integrating APIs | dev.to | 2026-04-02
We ran 4 controlled experiments on two real-world .NET applications, nopCommerce (mature e-commerce platform) and eShop (Microsoft's .NET reference app).
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Project mention: DotNetOpenApiExtract alternatives - Swashbuckle.AspNetCore and NSwag | libhunt.com/r/dotnet-openapi-extract | 2026-10-07
NSwag generates OpenAPI from ASP.NET Core by loading and running the app, and also generates C#/TypeScript clients. DotNetOpenApiExtract only extracts and validates the OpenAPI description, statically from the compiled assembly, without running the app.
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EquinoxProject
Web Application ASP.NET 9 using Clean Architecture, DDD, CQRS, Event Sourcing and a lot of good practices
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Project mention: Ask HN: Did Google Sign-In roll out a breaking change this morning? | news.ycombinator.com | 2026-03-17
Found these:
https://github.com/openiddict/openiddict-core/issues/2428
https://issuetracker.google.com/issues/479882107?pli=1
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Architecture
.NET 10, Angular 22, Clean Architecture, Clean Code, SOLID, KISS, DRY, Mediator Pattern, Folder-by-Feature Structure
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aspnet-api-versioning
Provides a set of libraries which add service API versioning to ASP.NET Core Minimal APIs, Controllers, gRPC, OData, and Web API (Classic).
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osharp
OSharp是一个基于.Net6.0的快速开发框架，框架对 AspNetCore 的配置、依赖注入、日志、缓存、实体框架、Mvc(WebApi)、身份认证、功能权限、数据权限等模块进行更高一级的自动化封装，并规范了一套业务实现的代码结构与操作流程，使 .Net 框架更易于应用到实际项目开发中。 (by dotnetcore)
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Oqtane
Oqtane is an open-source developer productivity platform for building modern .NET applications and websites that run on Web, Desktop and Mobile.
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EasyCaching
:boom: EasyCaching is an open source caching library that contains basic usages and some advanced usages of caching which can help us to handle caching more easier!
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Smartstore
A modular, scalable and ultra-fast open-source all-in-one eCommerce platform built on ASP.NET Core 10
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SaaSHub
SaaSHub - Software Alternatives and Reviews. SaaSHub helps you find the best software and product alternatives
NOTE:
The open source projects on this list are ordered by number of github stars.
The number of mentions indicates repo mentiontions in the last 12 Months or
since we started tracking (Dec 2020).
C# ASPnetcore discussion
C# ASPnetcore related posts
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DotNetOpenApiExtract alternatives - Swashbuckle.AspNetCore and NSwag
3 projects | 7 Oct 2026 -
AutoHttps: a zero-dependency automatic HTTPS library for ASP.NET Core / Kestrel
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Show HN: AutoHttps, zero-dependency automatic HTTPS for ASP.NET Core
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AutoHttps: automatic HTTPS for ASP.NET Core with no NuGet dependencies
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Accept the Official Hack - Build-Time OpenAPI Detection in .NET 10 Minimal APIs
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We migrated a .NET app from ABP Framework to Granit without downtime - here's the playbook
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Critical Breaking Change in Microsoft.AspNetCore.DataProtection
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A note from our sponsor - ReSharper
www.jetbrains.com | 9 Oct 2026
Index
What are some of the best open-source ASPnetcore projects in C#? This list will help you:
| # | Project | Stars |
|---|---|---|
| 1 | ASP.NET Core | 38,465 |
| 2 | CleanArchitecture | 20,621 |
| 3 | Bitwarden | 20,239 |
| 4 | ABP | 14,443 |
| 5 | AspNetCore.Docs | 13,136 |
| 6 | ASP.NET Boilerplate | 11,998 |
| 7 | DotNetGuide | 11,019 |
| 8 | practical-aspnetcore | 10,406 |
| 9 | nopCommerce | 10,158 |
| 10 | Ocelot | 8,717 |
| 11 | NSwag | 7,364 |
| 12 | EquinoxProject | 6,775 |
| 13 | openiddict-core | 5,264 |
| 14 | SimplCommerce | 4,413 |
| 15 | Architecture | 3,277 |
| 16 | aspnet-api-versioning | 3,205 |
| 17 | TodoApp | 3,099 |
| 18 | osharp | 2,847 |
| 19 | AspNet.Security.OAuth.Providers | 2,511 |
| 20 | Oqtane | 2,257 |
| 21 | EasyCaching | 2,095 |
| 22 | prometheus-net | 2,089 |
| 23 | Smartstore | 1,725 |
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