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1434 projects

Showing 36 of 1434 projects

Jellyfin
JellyfinC#

A free software media system for managing and streaming your media from a dedicated server to multiple devices.

#hacktoberfest#open-source#media-server
Stars56.6k
Forks5.4k
Last commit20 hours ago
Blazor
BlazorC#

An open-source, cross-platform framework for building modern cloud-based web apps, IoT apps, and mobile backends.

#iot#hacktoberfest#mobile-backend
Stars38.4k
Forks11.0k
Last commit1 day ago
GitHub repository
GitHub repositoryC#

An open-source, cross-platform framework for building modern cloud-based web apps, IoT apps, and mobile backends.

#iot#hacktoberfest#mobile-backend
Stars38.4k
Forks11.0k
Last commit1 day ago
Configure Desired Capabilities in Selenium
Configure Desired Capabilities in SeleniumJava

An umbrella project providing tools and libraries for automating web browsers via the W3C WebDriver specification.

#selenium-grid#integration-testing#selenium
Stars34.5k
Forks8.7k
Last commit
Avalonia
AvaloniaC#

A cross-platform UI framework for .NET that builds desktop, mobile, embedded, and WebAssembly apps using C# and XAML.

#wpf-alternative#webassembly#avalonia
Stars31.4k
Forks2.8k
Last commit1 day ago
dnSpy
dnSpyC#

A debugger and assembly editor for .NET and Unity applications, enabling editing and debugging without source code.

#il-editor#dotnet#unity
Stars29.7k
Forks5.6k
Last commit5 years ago
ScreenToGif
ScreenToGifC#

A Windows desktop tool to record screen regions, webcam, or sketchboard and edit/save as GIF, video, or image formats.

#open-source#sketchboard#desktop-tool
Stars27.6k
Forks2.4k
Last commit1 month ago
ILSpy
ILSpyC#

An open-source .NET assembly browser and decompiler with support for PDB generation, ReadyToRun, and cross-platform usage.

#decompiler-engine#mono#pdb-generation
Stars26.0k
Forks3.7k
Last commit1 day ago
.NET
.NET

A curated collection of awesome .NET libraries, tools, frameworks, and software across various categories.

#frameworks#community-driven#developer-tools
Stars21.6k
Forks2.9k
Last commit5 months ago
Awesome .NET!
Awesome .NET!

A curated collection of awesome .NET libraries, tools, frameworks, and software across various categories.

#community-driven#developer-tools#open-source
Stars21.6k
Forks2.9k
Last commit5 months ago
How To Write a C# Analyzer and Code Fix
How To Write a C# Analyzer and Code FixC#

Open-source C# and Visual Basic compilers with rich APIs for building code analysis tools.

#hacktoberfest#compiler#ide-extensions
Stars20.6k
Forks4.3k
Last commit21 hours ago
Roslyn
RoslynC#

Open-source implementation of C# and Visual Basic compilers with rich APIs for code analysis tools.

#hacktoberfest#compiler#open-source
Stars20.6k
Forks4.3k
Last commit21 hours ago
CleanArchitecture (SPA)
CleanArchitecture (SPA)C#

A Clean Architecture solution template for ASP.NET Core with Angular, React, or Web API options, powered by Aspire.

#entity-framework-core#template#asp-net-core
Stars20.5k
Forks4.3k
Last commit2 days ago
Bitwarden
BitwardenC#

Bitwarden infrastructure/backend (API, database, Docker, etc).

#api#aspnet#csharp
Stars20.0k
Forks1.8k
Last commit2 days ago
bitwarden-core
bitwarden-coreC#

The open-source backend infrastructure for Bitwarden, providing APIs, database, and core services for password management.

#open-source#api#aspnet
Stars20.0k
Forks1.8k
Last commit2 days ago
ASP.Net Core Developer Roadmap
ASP.Net Core Developer Roadmap

Roadmap to becoming an ASP.NET Core developer in 2026

#roadmap#asp-net-core#csharp
Stars19.6k
Forks2.5k
Last commit7 months ago
osu!
osu!C#

A free-to-win rhythm game client with an open-source engine and support for custom gameplay rulesets.

#desktop-application#catch#music-game
Stars19.0k
Forks2.8k
Last commit10 days ago
CleanArchitecture
CleanArchitectureC#

A Clean Architecture solution template for ASP.NET Core 10, providing a structured, loosely-coupled foundation for building maintainable applications.

#hacktoberfest#software-architecture#cqrs
Stars18.4k
Forks3.1k
Last commit
Microsoft.Extensions.DependencyInjection
Microsoft.Extensions.DependencyInjectionC#

The open-source runtime and libraries for .NET, enabling cross-platform development for cloud, mobile, desktop, and IoT applications.

#iot#hacktoberfest#open-source
Stars18.2k
Forks5.6k
Last commit1 day ago
Runtime
RuntimeC#

The open-source runtime and libraries for .NET, enabling cross-platform development for cloud, mobile, desktop, and IoT applications.

#iot#hacktoberfest#csharp
Stars18.2k
Forks5.6k
Last commit1 day ago
.NET Platform Standard
.NET Platform Standard

Legacy repository for servicing .NET Core 2.1 and 3.1 pull requests, now consolidated into dotnet/runtime.

#microsoft#open-source#repository-consolidation
Stars17.5k
Forks4.8k
Last commit3 years ago
OpenRA
OpenRAC#

A libre real-time strategy game engine for classic Westwood games like Command & Conquer: Red Alert.

#command-and-conquer#opengl#sdl
Stars17.3k
Forks3.0k
Last commit2 days ago
react-native-windows
react-native-windowsC++

A framework for building native Windows apps (PCs, tablets, Xbox, Mixed Reality) using React and JavaScript.

#winappsdk#desktop-apps#dotnet
Stars17.3k
Forks1.2k
Last commit1 day ago
MaterialDesignInXamlToolkit
MaterialDesignInXamlToolkitC#

A comprehensive Material Design theme and control library for WPF desktop applications in C# and VB.NET.

#desktop-application#hacktoberfest#theme-library
Stars16.3k
Forks3.5k
Last commit
.NET Open Source Developer Projects
.NET Open Source Developer ProjectsHTML

The official GitHub home for .NET, serving as a central hub for discovering and engaging with .NET open source projects.

#developer-tools#microsoft#open-source
Stars15.1k
Forks2.2k
Last commit
Entity Framework Core
Entity Framework CoreC#

A modern object-database mapper for .NET that supports LINQ queries, change tracking, updates, and schema migrations.

#hacktoberfest#orm#database
Stars14.8k
Forks3.4k
Last commit1 day ago
Entity Framework Core
Entity Framework CoreC#

A modern object-database mapper for .NET that supports LINQ queries, change tracking, updates, and schema migrations.

#hacktoberfest#orm#database
Stars14.8k
Forks3.4k
Last commit1 day ago
MonoGame
MonoGameC#

A .NET framework for creating cross-platform games using C#, re-implementing the discontinued XNA Framework.

#open-source#content-pipeline#graphics
Stars14.4k
Forks3.1k
Last commit1 day ago
MonoGame
MonoGameC#

A .NET framework for creating cross-platform games using C#, re-implementing the discontinued XNA Framework.

#open-source#content-pipeline#graphics
Stars14.4k
Forks3.1k
Last commit1 day ago
Polly
PollyC#

A .NET resilience and transient-fault-handling library for expressing policies like Retry, Circuit Breaker, and Timeout in a fluent, thread-safe manner.

#circuit-breaker#circuit-breaker-pattern#fault-tolerance
Stars14.2k
Forks1.3k
Last commit2 days ago
Modular Monolith
Modular MonolithC#

A production-ready .NET modular monolith application implementing Domain-Driven Design, CQRS, and event-driven architecture.

#event-driven-architecture#cqrs#integration-testing
Stars14.0k
Forks2.2k
Last commit
Nakama
NakamaGo

A scalable open-source game backend server providing multiplayer, matchmaking, leaderboards, chat, and social features.

#multiplayer#matchmaking#game-backend
Stars13.3k
Forks1.5k
Last commit1 day ago
aws-cdk
aws-cdkTypeScript

An open-source framework for defining AWS cloud infrastructure using familiar programming languages.

#cloud-development#cloud-infrastructure#hacktoberfest
Stars12.9k
Forks4.6k
Last commit2 days ago
C# Design
C# DesignC#

The official repository for the design, proposal, and specification of the C# programming language.

#programming-language#ecma-standard#compiler
Stars12.7k
Forks1.1k
Last commit6 days ago
ASP.NET Boilerplate
ASP.NET BoilerplateC#

A general-purpose application framework for building modern web applications with ASP.NET Core and Entity Framework Core.

#abp#entity-framework-core#modular-architecture
Stars12.0k
Forks3.8k
Last commit17 days ago
MediatR
MediatRC#

A simple, in-process mediator implementation for .NET that supports request/response, commands, queries, notifications, and events.

#event-driven#in-process-messaging#hacktoberfest
Stars11.9k
Forks2.2k
Last commit2 months ago
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