Windows system utilities to maximize productivity

ASP.NET Core is a cross-platform .NET framework for building modern cloud-based web applications on Windows, Mac, or Linux.

.NET Decompiler with support for PDB generation, ReadyToRun, Metadata (&more) - cross-platform!

The Roslyn .NET compiler provides C# and Visual Basic languages with rich code analysis APIs.

Dapper - a simple object mapper for .Net

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.

One framework for creating powerful cross-platform games.

Mono open source ECMA CLI, C# and .NET implementation.

Json.NET is a popular high-performance JSON framework for .NET

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

Simple REST and HTTP API Client for .NET

A framework that allows developers to cobble together a better UI for their own WPF applications with minimal effort.

Incredibly simple real-time web for .NET

A popular .NET validation library for building strongly-typed validation rules.

LiteDB - A .NET NoSQL Document Store in a single data file

微信全平台 .NET SDK， Senparc.Weixin for C#，支持 .NET Framework 及 .NET Core、.NET 8.0。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#.

The Reactive Extensions for .NET

Quartz Enterprise Scheduler .NET

NLog - Advanced and Structured Logging for Various .NET Platforms

Prism is a framework for building loosely coupled, maintainable, and testable XAML applications in WPF, Xamarin Forms, and Uno / Win UI Applications..

This repository is for the legacy Mixed Reality Toolkit (MRTK) v2. For the latest version of the MRTK please visit https://github.com/MixedRealityToolkit/MixedRealityToolkit-Unity

Audio and MIDI library for .NET

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

OpenCV wrapper for .NET

EventStoreDB, the event-native database. Designed for Event Sourcing, Event-Driven, and Microservices architectures

Python for .NET is a package that gives Python programmers nearly seamless integration with the .NET Common Language Runtime (CLR) and provides a powerful application scripting tool for .NET develo…

Stack Exchange's Monitoring System

A server-side library for sending Push Notifications to iOS (iPhone/iPad APNS), Android (C2DM and GCM - Google Cloud Message), Windows Phone, Windows 8, Amazon, Blackberry, and (soon) FirefoxOS dev…

DotNetty project – a port of netty, event-driven asynchronous network application framework

Open XML SDK by Microsoft