ahwootech / BRUTAL
A free, open source C# framework for making games, or your own game engine. Direct access to native APIs and Vulkan, with the low-level libraries around them. The foundation under Kitten Space Agency and RimWorld's Waylith engine.
bitwarden / server
Bitwarden infrastructure/backend (API, database, Docker, etc).
SirDiabo / GithubLauncher
A Launcher that Downloads and Updates Applications from Github Releases
ralphtradesz / trading-hub
Plataforma de trading gratis y de código abierto para Mac (con guía para portarla a Windows con Claude): footprint, DOM, backtesting anti-sobreoptimización y estrategias con IA. 100 % local.
dotnet / skills
Repository for skills to assist AI coding agents with .NET and C#
jellyfin / jellyfin
The Free Software Media System - Server Backend & API
files-community / Files
A modern file manager that helps users organize their files and folders.
dotnet / aspnetcore
ASP.NET Core is a cross-platform .NET framework for building modern cloud-based web applications on Windows, Mac, or Linux.
AvaloniaUI / Avalonia
Develop Desktop, Embedded, Mobile and WebAssembly apps with C# and XAML. The future of .NET UI
icsharpcode / ILSpy
.NET Decompiler with support for PDB generation, ReadyToRun, Metadata (&more) - cross-platform!
dotnet / maui
.NET MAUI is the .NET Multi-platform App UI, a framework for building native device applications spanning mobile, tablet, and desktop.
dotnet / roslyn
The Roslyn .NET compiler provides C# and Visual Basic languages with rich code analysis APIs.
jasontaylordev / CleanArchitecture
Clean Architecture Solution Template for ASP.NET Core
ardalis / CleanArchitecture
Clean Architecture Solution Template: A proven Clean Architecture Template for ASP.NET Core 10
dotnet / runtime
.NET is a cross-platform runtime for cloud, mobile, desktop, and IoT apps.
OpenRA / OpenRA
Open Source real-time strategy game engine for early Westwood games such as Command & Conquer: Red Alert written in C# using SDL and OpenGL. Runs on Windows, Linux, *BSD and Mac OS X.
dotnet / efcore
EF Core is a modern object-database mapper for .NET. It supports LINQ queries, change tracking, updates, and schema migrations.
d2phap / ImageGlass
🏞 A fast, open-source, modern image viewer for 90+ formats – including WEBP, GIF, SVG, AVIF, JXL, HEIC and more – built for smooth browsing across Windows, macOS, and Linux.
MonoGame / MonoGame
One framework for creating powerful cross-platform games.
abpframework / 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.
App-vNext / Polly
Polly is a .NET resilience and transient-fault-handling library that allows developers to express policies such as Retry, Circuit Breaker, Timeout, Bulkhead Isolation, and Fallback in a fluent and thread-safe manner. From version 6.0.1, Polly targets .NET Standard 1.1 and 2.0+.
QuestPDF / QuestPDF
QuestPDF is a modern library for PDF document generation. Its fluent C# API lets you design complex layouts with clean, readable code. Create documents using a flexible, component-based approach.
JustArchiNET / ArchiSteamFarm
C# application with primary purpose of farming Steam cards from multiple accounts simultaneously.
dotnet / AspNetCore.Docs
Documentation for ASP.NET Core
dotnet / csharplang
The official repo for the design of the C# programming language
aspnetboilerplate / aspnetboilerplate
ASP.NET Boilerplate - Web Application Framework
spectreconsole / spectre.console
A .NET library that makes it easier to create beautiful console applications.
dotnet / BenchmarkDotNet
Powerful .NET library for benchmarking
tui-cs / Terminal.Gui
Cross Platform Terminal UI toolkit for .NET
dotnet / eShop
A reference .NET application implementing an eCommerce site
dotnet / orleans
Cloud Native application framework for .NET
itsfatduck / optimizerDuck
Free, open-source Windows optimization tool for performance, privacy, and simplicity.
studyzy / imewlconverter
”深蓝词库转换“ 一款开源免费的输入法词库转换程序
TechnitiumSoftware / DnsServer
Technitium DNS Server
nopSolutions / nopCommerce
ASP.NET Core eCommerce software. nopCommerce is a free and open-source shopping cart.
HangfireIO / Hangfire
An easy way to perform background job processing in .NET and .NET Core applications. No Windows Service or separate process required
unoplatform / uno
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.
dotnet / yarp
A toolkit for developing high-performance HTTP reverse proxy applications.
reactiveui / refit
The automatic type-safe REST library for .NET. Refit turns a REST API into a C# interface and generates the HttpClient implementation, with support for HttpClientFactory, pluggable serializers and a testing package.
litedb-org / LiteDB
LiteDB - A .NET NoSQL Document Store in a single data file
dotnet / machinelearning
ML.NET is an open source and cross-platform machine learning framework for .NET.
LykosAI / StabilityMatrix
Multi-Platform Package Manager for Stable Diffusion
JeffreySu / WeiXinMPSDK
微信全平台 .NET SDK， Senparc.Weixin for C#，支持 .NET Framework 及 .NET Core、.NET 10.0。已支持微信公众号、小程序、小游戏、微信支付、企业微信/企业号、开放平台、JSSDK、微信周边等全平台。 WeChat SDK for C#.
ThreeMammals / Ocelot
.NET API Gateway
reactiveui / ReactiveUI
A composable, cross-platform MVVM framework for .NET inspired by functional reactive programming. It moves mutable state out of the user interface, keeps each feature's logic in one readable place, and makes applications easier to test. Supports WPF, WinForms, WinUI, .NET MAUI, Avalonia, Uno Platform, Blazor and Android.
OrchardCMS / OrchardCore
Orchard Core is an open-source modular and multi-tenant application framework built with ASP.NET Core, and a content management system (CMS) built on top of that framework.
PixiEditor / PixiEditor
PixiEditor is a Universal Editor for all your 2D needs
KnifeLemon / Filee
Free, open-source file converter. Convert 244+ formats offline by drag & drop — images, PDF, Word, Excel, PowerPoint, HWP/HWPX, video, audio, e-books and archives. No upload, no Office needed.
elsa-workflows / elsa-core
The Workflow Engine for .NET
MassTransit / MassTransit
Distributed Application Framework for .NET
dotnet / wpf
WPF is a .NET Core UI framework for building Windows desktop applications.
ElectronNET / Electron.NET
:electron: Build cross platform desktop apps with ASP.NET Core (Razor Pages, MVC, Blazor).
Tianyu199509 / DeskBox
A free, open-source Windows desktop organizer with native-feeling WinUI 3 widgets.
dotnet / reactive
The Reactive Extensions for .NET
dotnetcore / CAP
Distributed transaction solution in micro-service base on eventually consistency, also an eventbus with Outbox pattern
quartznet / quartznet
Quartz Enterprise Scheduler .NET
fullstackhero / dotnet-starter-kit
Production Grade Cloud-Ready .NET 10 Starter Kit (Web API + React Client) with Multitenancy Support, and Clean/Modular Architecture that saves roughly 200+ Development Hours! All Batteries Included.
pardeike / Harmony
A library for patching, replacing and decorating .NET and Mono methods during runtime
NLog / NLog
NLog - Flexible and Structured Logging for various .NET Platforms
dotnet-state-machine / stateless
A simple library for creating state machines in C# code