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Top 23 C# Framework Projects
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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: Most Popular .NET Domain-Driven Design (DDD) Resources: Top 5 GitHub Repositories, Frameworks & Templates in 2025 | dev.to | 2025-06-03Main Repository: github.com/abpframework/abp
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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.
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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.
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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.
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MelonLoader
The World's First Universal Mod Loader for Unity Games compatible with both Il2Cpp and Mono
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The website is called FlaUI, and they even have a GitHub repository that looks legit.
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cofoundry
Cofoundry is an extensible and flexible .NET Core CMS & application framework focusing on code first development
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WPF Application Framework (WAF)
Win Application Framework (WAF) is a lightweight Framework that helps you to create well structured XAML Applications.
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Liquid-Application-Framework
Liquid Application Framework documentation, useful links and sample project
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C# Framework discussion
C# Framework related posts
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The Biggest Crypto Scam in 2024
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Implementing UI Automation Testing for Desktop Applications Dealing With Different DBMS
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(MODDED) Plugins target a wrong version of BepInEx (5.4.22.0) and might not work until you update
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Mass Farming Mod / any mod?
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Can anyone help me with this injector coded in C#?
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Hola! Existe algún mod para jugar con más de 4 jugadores? En mi grupo de amigos somos 6 y queremos jugar todos juntos... Gracias!
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Need Help With Server Side Mod BepinEx and Whetstone Install
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www.saashub.com | 10 Jul 2025
Index
What are some of the best open-source Framework projects in C#? This list will help you:
# | Project | Stars |
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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 |