
Description: Hexometer is a free web development tool used for checking website code quality. It analyzes HTML, CSS, and JavaScript code to identify issues like validation errors, potential bugs, and ways to optimize code.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Checkbot is an SEO tool that analyzes web pages to identify issues that may negatively impact search engine rankings. It checks things like broken links, metadata, page speed, accessibility, and more.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API