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.
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A toolkit for developing high-performance HTTP reverse proxy applications.
Secure, cross-platform Git credential storage with authentication to GitHub, Azure Repos, and other popular Git hosting services.
ML.NET is an open source and cross-platform machine learning framework for .NET.
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.
A modern, cross-platform, 2D Graphics library for .NET
- image-processing
- drawing
- c-sharp
- jpeg
Entitas is a super fast Entity Component System (ECS) Framework specifically made for C# and Unity
:electron: Build cross platform desktop apps with ASP.NET Core (Razor Pages, MVC, Blazor).
- electron
- dotnet
- dotnet-core
- dotnet-standard
C# pure functional programming framework - come and get declarative!
- c-sharp
- functional-languages
- monads
- monad-transformers
A cross-platform .NET library for IMAP, POP3, and SMTP.
- c-sharp
- mime
- mime-parser
Prism is a framework for building loosely coupled, maintainable, and testable XAML applications in WPF, Xamarin Forms, and Uno / Win UI Applications..
- prism
- xamarin-forms
- c-sharp
- xamarin-studio
NLog - Flexible and Structured Logging for various .NET Platforms
- nlog
- logging
- logging-library
- netstandard
Welcome to the home of the Hot Chocolate GraphQL server for .NET, the Strawberry Shake GraphQL client for .NET and Nitro the awesome Monaco based GraphQL IDE.
- graphql
- dotnet
- dotnet-core
- c-sharp
SkiaSharp is a cross-platform 2D graphics API for .NET platforms based on Google's Skia Graphics Library. It provides a comprehensive 2D API that can be used across mobile, server and desktop models to render images.
The Microsoft Build Engine (MSBuild) is the build platform for .NET and Visual Studio.
- build
- msbuild
- visual-studio
- microsoft
Thoughtfully architected, obscenely fast, thoroughly enjoyable web services for all
- net-framework
- webservices
- framework
- c-sharp
Greenshot for Windows - for more information look here:
- hacktoberfest
- hacktoberfest2021
MQTTnet is a high performance .NET library for MQTT based communication. It provides a MQTT client and a MQTT server (broker). The implementation is based on the documentation from http://mqtt.org/.
- mqtt
- mqtt-client
- mqtt-broker
- mqtt-server
LibVLC-based media player for the Universal Windows Platform
- csharp
- media-player
- uwp
- vlc
Open XML SDK by Microsoft
Open singing synthesis platform / Open source UTAU successor
- utau
- vocaloid
- music
- singing-synthesis
Unified Realtime/API framework for .NET platform and Unity.
A simple, cross platform, modulith ecommerce system built on .NET
- modular
- ecommerce
- aspnetcore
- csharp
SuperSocket is a high-performance, extensible socket server application framework for .NET. It provides a robust architecture for building custom network communication applications with support for multiple protocols including TCP, UDP, and WebSocket.
- csharp
- socket
- socketserver
- realtime-communication