
Description: Pingoscope is a free and open-source web performance monitoring tool. It pings websites periodically to check uptime and response time, sends alerts when issues are detected, and provides historical uptime and response time reports.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: HetrixTools is a free website analysis tool that provides detailed reports on a website's SEO, speed and mobile-friendliness. It offers suggestions for improving site performance.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API