
Description: WebStorm is a powerful JavaScript IDE for web development. It includes features like intelligent code completion, debugging, code analysis, and integration with version control systems. WebStorm streamlines and simplifies web development with its robust tooling.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: HTMLPen.com is a free online HTML editor that allows you to write, edit and preview HTML code in real-time. It has a clean interface with syntax highlighting and other handy coding features.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API