
Description: Loophole is a free web browser extension that automatically applies available coupon codes when you shop online. It scans for codes on thousands of sites and tests them at checkout to save you time and money.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: localhost.run is a platform that allows you to easily spin up local development environments inside your browser. It eliminates the need to install software locally by providing disposable, ready-to-code sandboxes for various languages and frameworks.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API