
Description: Underscore.js is a JavaScript library that provides utility functions for common programming tasks like mapping, filtering, and functional programming paradigms. It allows developers to leverage functional techniques which can help manage state and complexity in web applications.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Alasql is an open-source SQL database for JavaScript that allows developers to run SQL queries directly on client-side JavaScript arrays and objects without needing a database server. It supports most common SQL syntax and can be used for simple in-browser databases.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API