
Description: Mongrel is a fast HTTP 1.1 web server library written in Ruby for the Ruby on Rails and Sinatra web frameworks. It is light, easy to install and configure, and good for development and testing environments.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: TinyWeb is a lightweight and simple web server software for Windows. It allows hosting static websites and basic PHP applications easily without requiring complex configuration.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API