Cross-platform asynchronous I/O
Advanced Java Redis client for thread-safe sync, async, etc.
Drogon: A C++14/17/20 based HTTP web application framework
Coroutine-based concurrency library for PHP
An event-driven asynchronous network application framework
An asynchronous event driven PHP socket framework
Gev is a lightweight, fast non-blocking TCP network library
one server framework
Python framework for asynchronous, concurrent, distributed programming
Linux TCP Server Connections Stress Test Tool
TCP/UDP Connections Pool manager with additional utility functions
Server side scripting language similar to ASP and PHP, but using C++.