A time travelling programming language
CodeBehind is a modern back-end framework under ASP.NET Core.
A comprehensive design patterns library implemented in C#
Welcome to the Bot Framework SDK for .NET repository
Cake (C# Make) is a cross platform build automation system
A simple object mapper for .Net
CacheManager is an open source caching abstraction layer for .NET
The Visual Studio inspired docking library for .NET WinForms
iText for .NET is the .NET version of the iText library
Async/await first CQRS+ES and DDD framework for .NET
SkiaSharp is a cross-platform 2D graphics API for .NET platforms
Active development of the Azure SDK for .NET
Bing is a framework based on .net core 3.1
Git + .NET/Mono
A 100% native C# implementation of ZeroMQ for .NET
Confluent's Apache Kafka .NET client
A framework for building JSON:API compliant REST APIs using ASP.NET
Entity Framework Core provider for PostgreSQL
Practical samples of ASP.NET Core 10 RC
Async MySQL Connector for .NET and .NET Core
Unity3D System Design Architecture
A web application framework
A cross-platform plotting library for .NET
YAF.NET - C# ASP.NET Forum
A base class for creating strongly typed enum replacements in C#