
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: Microsoft IIS (Internet Information Services) is a flexible, secure and manageable web server for hosting websites, applications and services. It runs on Windows servers.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API