
Description: Greasemonkey is a Firefox extension that allows users to install user scripts that make on-the-fly changes to web page content before or after the page is loaded in the browser. It allows customization and enhancement of web pages to suit user preferences.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: NinjaKit is a modular plugin-based system for automating flows in Unity. It features plug and play functionality for rapid prototyping, rich controllers and custom visual scripting tools for powerful logic creation, state machine support, and much more.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API