
Description: GTmetrix is a free online tool that analyzes web pages for performance, providing a performance score and recommendations to improve speed.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: User Probe is user research software that helps product teams conduct remote user interviews and usability tests. It allows you to recruit participants, create test scripts and tasks, record sessions, analyze results, and generate shareable reports.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API