
Description: ESNext Bin is an online code playground that allows you to easily test JavaScript code compatible with the latest ECMAScript standards. It provides a browser-based editor and console to run ES6/ES7 code.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Plunker is an online community for creating, collaborating on and sharing web development projects. It provides an online code editor and preview that allows developers to easily build web apps, web sites, JavaScript apps, etc. without any setup or hosting required.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API