
Description: isUp is a free, open-source website monitoring tool that allows users to monitor the status of websites and servers. It checks if sites are up or down and sends notifications if there are any issues detected.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Pingdom is a website monitoring service that checks uptime, performance, and speed of websites. It provides real-time alerts, detailed uptime and performance reports, and analytics on website issues.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API