
Description: Userscripts are small scripts that allow users to customize and enhance their web browsing experience. They can add new features, modify page content and behavior, automate tasks, and more to websites.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Violentmonkey is a free and open-source browser extension that allows users to install userscripts. It works across all major browsers including Chrome, Firefox, Edge, and Safari. Userscripts allow customizing webpage behavior and content.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API