
Description: Replit is an online IDE and hosting platform for web applications, supporting over 50 programming languages. It allows developers to quickly write, run and host web apps and sites without configuring servers.
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