aria2 is a lightweight multi-protocol & multi-source download utility
Python HTTP library with thread-safe connection pooling
An OOB interaction gathering server and client library
Network library for developing TCP/UDP/SSL/HTTP/WebSocket/MQTT client
A fast production-ready static web server with TLS (HTTPS)
Universal server
HTTP Library for Lua. Supports HTTP(S) 1.0, 1.1 and 2.0
mod_gnutls apache module
An application that automatically updates A-Records for certain hosts.