True object-oriented Java web framework without NULLs
Fast and low latency asynchronous socket server & client C++ library
Python HTTP library with thread-safe connection pooling
REXX interpreter
axios extensions lib, including throttle, cache, retry features etc.
HTTP server mocking and expectations library for Node.js
A powerful server and network library, including coroutine
NaviServer, a high performance web server written in C and Tcl
For working with old php applications
For working with old php applications
Web framework in Rust
Embedded C/C++ Web Server
A Header-Only cross-platform C++ TCP network library
Scala combinator library for building Finagle HTTP services
Martian is a library for building custom HTTP/S proxies
The Classic Webware for Python
Language-agnostic HTTP API Testing Tool
An Open Source "product catalogue" that is customizable and versatile.
Small Java based REST server
HTTP Library for Lua. Supports HTTP(S) 1.0, 1.1 and 2.0
JavaScript/XML engine for Apache