Pathogenix 

Fast, Efficient, 100% Managed, Peer to Peer, Non Generic, Extensible TCP Client & Server with built in Serialization that can be used to transmit any type.

An XNA UI Framework that runs on modern .NET 8.0

High-performance, fully managed .NET networking library for TCP, UDP, and WebSocket communication. Features built-in peer-to-peer with NAT traversal, pluggable System.Text.Json serialization, SslStream TLS 1.2... More information

Debug your WPF application easily with JackDebug.

High-performance, fully managed .NET networking library for TCP, UDP, and WebSocket communication. Features built-in peer-to-peer with NAT traversal, pluggable System.Text.Json serialization, SslStream TLS 1.2... More information