C# Framework

Open-source C# projects categorized as Framework

Top 23 C# Framework Projects

  1. 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: Most Popular .NET Domain-Driven Design (DDD) Resources: Top 5 GitHub Repositories, Frameworks & Templates in 2025 | dev.to | 2025-06-03

    Main Repository: github.com/abpframework/abp

  2. InfluxDB

    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.

    InfluxDB logo
  3. ASP.NET Boilerplate

    ASP.NET Boilerplate - Web Application Framework

  4. CefSharp

    .NET (WPF and Windows Forms) bindings for the Chromium Embedded Framework

  5. ReactiveUI

    An advanced, composable, functional reactive model-view-viewmodel framework for all .NET platforms that is inspired by functional reactive programming. ReactiveUI allows you to abstract mutable state away from your user interfaces, express the idea around a feature in one readable place and improve the testability of your application.

    Project mention: R3 alternatives - Rx.NET, UniRx, and ReactiveUI | libhunt.com/r/R3 | 2024-09-20
  6. BepInEx

    Unity / XNA game patcher and plugin framework

  7. ServiceStack

    Thoughtfully architected, obscenely fast, thoroughly enjoyable web services for all

  8. xNode

    Unity Node Editor: Lets you view and edit node graphs inside Unity

  9. Stream

    Stream - Scalable APIs for Chat, Feeds, Moderation, & Video. Stream helps developers build engaging apps that scale to millions with performant and flexible Chat, Feeds, Moderation, and Video APIs and SDKs powered by a global edge network and enterprise-grade infrastructure.

    Stream logo
  10. MelonLoader

    The World's First Universal Mod Loader for Unity Games compatible with both Il2Cpp and Mono

  11. FlaUI

    UI automation library for .Net

    Project mention: The Biggest Crypto Scam in 2024 | dev.to | 2024-10-10

    The website is called FlaUI, and they even have a GitHub repository that looks legit.

  12. EventFlow

    Async/await first CQRS+ES and DDD framework for .NET

  13. CliFx

    Class-first framework for building command-line interfaces

  14. Duality

    a 2D Game Development Framework

  15. Neutronium

    🚀 Build .NET desktop applications using HTML, CSS and javascript.

  16. Latios-Framework

    A Unity DOTS framework for my personal projects

  17. cofoundry

    Cofoundry is an extensible and flexible .NET Core CMS & application framework focusing on code first development

  18. DotVVM

    Open source MVVM framework for Web Apps

  19. Towel

    Throw in the towel.

  20. ASP.NET MVC Boilerplate Framework

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

  21. WPF Application Framework (WAF)

    Win Application Framework (WAF) is a lightweight Framework that helps you to create well structured XAML Applications.

  22. Revo

    Event Sourcing, CQRS and DDD framework for C#/.NET Core.

  23. peasy

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

  24. Atata

    C#/.NET test automation framework for web

  25. Liquid-Application-Framework

    Liquid Application Framework documentation, useful links and sample project

  26. SaaSHub

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

    SaaSHub logo
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# Framework discussion

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C# Framework related posts

  • The Biggest Crypto Scam in 2024

    1 project | dev.to | 10 Oct 2024
  • Implementing UI Automation Testing for Desktop Applications Dealing With Different DBMS

    2 projects | dev.to | 5 Jun 2024
  • (MODDED) Plugins target a wrong version of BepInEx (5.4.22.0) and might not work until you update

    1 project | /r/lethalcompany | 6 Dec 2023
  • Mass Farming Mod / any mod?

    1 project | /r/valheim | 6 Dec 2023
  • Can anyone help me with this injector coded in C#?

    1 project | /r/csharp | 11 Jun 2023
  • Hola! Existe algún mod para jugar con más de 4 jugadores? En mi grupo de amigos somos 6 y queremos jugar todos juntos... Gracias!

    2 projects | /r/Dinkum | 8 Jun 2023
  • Need Help With Server Side Mod BepinEx and Whetstone Install

    2 projects | /r/vrising | 5 Jun 2023
  • A note from our sponsor - SaaSHub
    www.saashub.com | 10 Jul 2025
    SaaSHub helps you find the best software and product alternatives Learn more →

Index

What are some of the best open-source Framework projects in C#? This list will help you:

# Project Stars
1 ABP 13,609
2 ASP.NET Boilerplate 11,936
3 CefSharp 10,066
4 ReactiveUI 8,310
5 BepInEx 5,946
6 ServiceStack 5,466
7 xNode 3,573
8 MelonLoader 3,189
9 FlaUI 2,558
10 EventFlow 2,476
11 CliFx 1,563
12 Duality 1,430
13 Neutronium 1,355
14 Latios-Framework 1,095
15 cofoundry 891
16 DotVVM 765
17 Towel 751
18 ASP.NET MVC Boilerplate Framework 723
19 WPF Application Framework (WAF) 721
20 Revo 703
21 peasy 514
22 Atata 502
23 Liquid-Application-Framework 483

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