Command line tool and library for transferring data with URLs
A Header-Only cross-platform C++ TCP network library
Python HTTP library with thread-safe connection pooling
A powerful server and network library, including coroutine
Fast and low latency asynchronous socket server & client C++ library
Ultra fast and low latency asynchronous socket server & client C#
Hooks calls to sockets in dynamically linked programs
The Tool Command Language implementation
REXX interpreter
Odamex is a free, cross-platform, modern client-server Doom engine
ERP Server
IIPImage is an advanced high-performance image server and client
Embedded C/C++ Web Server
Cerberus Content Management System
A lightweight, one line setup, iOS / OSX network debugging library
Pure Java Network Tools
a free, multiplatform console-mode gopher client