Top 23 C# Application Framework Projects

Application Frameworks

• Add a project

1. Introducing .NET Multi-platform App UI (MAUI)

   1 283 23,321 9.9 C#

   .NET MAUI is the .NET Multi-platform App UI, a framework for building native device applications spanning mobile, tablet, and desktop.

   

   Project mention: Ask HN: What Is the State of App Development in 2026? | news.ycombinator.com | 2026-05-30

2. ReSharper

   www.jetbrains.com sponsored

   ReSharper is now available in VS Code and Cursor. ReSharper brings a professional toolset for C# developers backed by over 20 years of experience, enterprise-grade security, SOC 2 compliance, and the trust of companies worldwide.

   

3. ABP

   2 36 14,443 10.0 C#

   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 | 2026-05-21

   We 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.

4. ASP.NET Boilerplate

   3 17 11,998 5.4 C#

   ASP.NET Boilerplate - Web Application Framework

   

5. Mono

   4 96 11,464 5.8 C#

   Mono open source ECMA CLI, C# and .NET implementation.

   

6. Orleans

   5 36 10,896 9.9 C#

   Cloud Native application framework for .NET

   

7. Uno Platform

   6 159 10,066 10.0 C#

   Open-source platform for building cross-platform native Mobile, Web, Desktop, and Embedded apps from a single C#/XAML codebase. Work from any IDE/CLI with Hot Reload, Visual Designer, MCPs, and Skills built for modern .NET workflows. 200M+ NuGet downloads.

   

   Project mention: Saying Goodbye to Asm.js | news.ycombinator.com | 2026-05-20

   > I like WASM and I want to like WASM but the rate of maturity within the ecosystem is incredibly abysmal.

   The C# toolchain for WebAssembly is pretty good. You can do a lot with Avalonia and Uno:

   https://avaloniaui.net/

   https://platform.uno/

   Here's a C# clone of Visual Basic compiled to WebAssembly:

   https://bandysc.github.io/AvaloniaVisualBasic6/

8. DotNetty

   7 2 4,252 5.2 C#

   DotNetty project – a port of netty, event-driven asynchronous network application framework

   

9. AppSignal

   www.appsignal.com sponsored

   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.

   

10. Fusion

    8 23 1,886 0.0 C#

    Build real-time apps (Blazor included) with less than 1% of extra code responsible for real-time updates. Host 10-1000x faster APIs relying on transparent and nearly 100% consistent caching. We call it DREAM, or Distributed REActive Memoization, and it's here to turn real-time on!

    

11. AspectCore Framework

    9 0 1,765 9.1 C#

    AspectCore is an AOP-based cross platform framework for .NET Standard.

    

12. CSLA .NET

    10 6 1,346 8.2 C#

    A home for your business logic in any .NET application.

    

13. Kentor Authentication Services

    11 5 1,009 8.9 C#

    Saml2 Authentication services for ASP.NET

    

14. X.PagedList

    12 1 926 8.1 C#

    Library for easily paging through any IEnumerable/IQueryable in ASP.NET

    

15. Spring.Net

    13 0 881 6.5 C#

    Spring Framework for .NET

    

16. ASP.NET MVC Boilerplate Framework

    14 0 723 0.0 C#

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

    

17. peasy

    15 0 523 6.0 C#

    A business logic micro-framework for .NET and .NET Core

    

18. Ivy-Framework

    16 1 435 10.0 C#

    The ultimate framework for building internal tools with LLM code generation by unifying front-end and back-end into a single C# codebase.

    

    Project mention: How We Plan to Use C# 14 Interceptors to Eliminate Reflection in Ivy | dev.to | 2026-03-23

    Ivy is an open-source .NET framework for building internal applications with AI and pure C#. Think of it as a server-driven UI framework: you write your entire app in C# — layout, state, events — and Ivy renders it in the browser. Widgets like Button, TextBlock, and DataTable are plain C# classes decorated with [Prop] and [Event] attributes, and the framework serializes them to JSON on every render cycle to ship the UI state to the frontend.

19. silky

    17 0 291 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.

    

20. formcms

    18 0 269 9.1 C#

    AI Agent: Open-source headless CMS built with ASP.NET Core (C#) and React, featuring REST APIs, GraphQL, and a GrapesJS page designer.

    

21. spec-coding-mcp

    19 0 50 5.4 C#

    Transform feature ideas into production-ready code through systematic Spec-Driven Development 通过系统化的**规格驱动开发**，将功能想法转化为可投入生产的代码

    

22. PersianDataAnnotations

    20 0 47 0.0 C#

    PersianDataAnnotations is ASP.NET Core MVC & ASP.NET MVC Custom Localization DataAnnotations (Localized MVC Errors) for Persian(Farsi) language - فارسی سازی خطاهای اعتبارسنجی توکار ام.وی.سی. و کور.ام.وی.سی. برای نمایش اعتبار سنجی سمت کلاینت

    

23. HopFramework

    21 0 46 0.0 C#

    Domain Driven Design, Microservices, .Net 5.

    

24. Simplify.Web

    22 0 25 7.8 C#

    Simplify.Web is an open-source, lightweight, fast, and highly customizable server-side .NET web framework based on ASP.NET Core for building HTTP-based web applications, RESTful APIs, etc.

    

25. granit-dotnet

    23 0 20 9.9 C#

    A modular .NET 10 framework — orchestrate auth, persistence, CQRS, messaging, and 350+ more modules effortlessly. No boilerplate, no rewrites, no limits.

    

26. SaaSHub

    www.saashub.com sponsored

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

    

C# Application Frameworks related posts

• We migrated a .NET app from ABP Framework to Granit without downtime - here's the playbook

  2 projects | dev.to | 21 May 2026

• How We Plan to Use C# 14 Interceptors to Eliminate Reflection in Ivy

  1 project | dev.to | 23 Mar 2026

• Hot Restart for iOS is not included in Visual Studio 2026: What .NET MAUI Developers Need to Know

  1 project | dev.to | 16 Jan 2026

• Why Modular Monolith Architecture is the Key to Effective AI-Assisted Development

  1 project | dev.to | 6 Jan 2026

• Modernizing Legacy Apps with AI

  2 projects | news.ycombinator.com | 26 Nov 2025

• Join the AI Challenge for Cross-Platform Apps: $3,000 in Prizes!

  1 project | dev.to | 19 Nov 2025

• You do it wrong! Customizing ABP Login Page Correctly

  2 projects | dev.to | 27 May 2025
• A note from our sponsor - AppSignal
  www.appsignal.com | 9 Oct 2026

  APM, error tracking, and dashboards for modern web apps. Ten-minute setup, transparent flat pricing, and support from engineers who actually use the product. Learn more →

Index

Sponsored

ReSharper is now available in VS Code and Cursor

ReSharper brings a professional toolset for C# developers backed by over 20 years of experience, enterprise-grade security, SOC 2 compliance, and the trust of companies worldwide.

www.jetbrains.com

Do not miss the trending C# projects with our weekly report!