
Description: WhatIsHang is a lightweight diagnostic tool that helps troubleshoot system hangs, freezes and performance issues in Windows. It logs critical system information like CPU usage, disk activity, memory usage, active processes and services to identify the root cause.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: WhySoSlow is a lightweight performance profiling tool for developers to identify bottlenecks in their web applications. It tracks server response times, queries, and resources to pinpoint what's making apps slow.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API