Yarp.ReverseProxy by: Microsoft

Reverse proxy toolkit for building fast proxy servers in .NET using the infrastructure from ASP.NET and .NET

ZedGraph by: ZedGraph Project

ZedGraph is a class library, user control, and web control for .net, written in C#, for drawing 2D Line, Bar, and Pie Charts. It features full, detailed customization capabilities, but most options have defaults for ease of use.

ZstdSharp.Port by: Oleg Stepanischev

Port of zstd compression library to c#