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

ShareX is a free and open-source application that enables users to capture or record any area of their screen with a single keystroke. It also supports uploading images, text, and various file type…

.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

.NET is a cross-platform runtime for cloud, mobile, desktop, and IoT apps.

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.

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 …

One framework for creating powerful cross-platform games.

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

Powerful .NET library for benchmarking

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

A .NET library that makes it easier to create beautiful console applications.

Cloud Native application framework for .NET

A convention-based object-object mapper in .NET.

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

An easy way to perform background job processing in .NET and .NET Core applications. No Windows Service or separate process required

Simple REST and HTTP API Client for .NET

📇 A simple fake data generator for C#, F#, and VB.NET. Based on and ported from the famed faker.js.

Incredibly simple real-time web for .NET

Humanizer meets all your .NET needs for manipulating and displaying strings, enums, dates, times, timespans, numbers and quantities

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 sta…

Simple .NET logging with fully-structured events

Distributed Application Framework for .NET

The Swagger/OpenAPI toolchain for .NET, ASP.NET Core and TypeScript.

The Reactive Extensions for .NET

C# pure functional programming framework - come and get declarative!

Quartz Enterprise Scheduler .NET

NLog - Flexible and Structured Logging for various .NET Platforms

The most popular and friendly mocking framework for .NET