A C++ header-only HTTP/HTTPS server and client library
A powerful server and network library, including coroutine
High performance .NET library for MQTT based communication
Network library for developing TCP/UDP/SSL/HTTP/WebSocket/MQTT client
HTTP/2 C Library and tools
A conforming Objective-C WebSocket client library
A dynamic library tweak for WeChat macOS
A Header-Only cross-platform C++ TCP network library
Conversations is an open source XMPP/Jabber client for Android
LibVNCServer/LibVNCClient are cross-platform C libraries
Ultra High-performance Lightweight Embedded and Server OLTP RDBMS
Fast and low latency asynchronous socket server & client C++ library
A collection of C++ HTTP libraries including an easy to use HTTP serve
ESP32 library for ACME protocol client (to get certificates)
LIXA, LIbre XA, is a free and open source XA transaction manager
Convenience sockets library for GNU/Linux
API for Password Manager Daemon (pwmd)
A C++ library for AVR and NodeMCU
A custom JSON converter library with some useful features for ASP.NET
Object Oriented Language
Asynchronous socket networking library for Mac and iOS
Minecraft-client networking library in Python
WebSocket (WS) and WebSocket Secure (WSS) server and client library
An ACME client library and PowerShell client for the .NET platform
A very simple, fast, multithreaded, platform independent HTTP and HTTP