
Description: Lwan is a high-performance and lightweight web server. It is designed to handle thousands of concurrent connections with little memory footprint. Lwan achieves high performance through an event loop model and other optimizations.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Abyss Web Server is an open-source, cross-platform web server that is designed to be lightweight, fast, and secure. It supports HTTP/1.1, HTTP/2, and ALPN and can handle thousands of simultaneous connections with low memory usage.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API