
Description: JSitor is an online JavaScript sandbox environment and code sharing tool. It allows you to easily test JavaScript code, share code snippets, collaborate on code, and embed live code demos in web pages.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: StackBlitz is an online IDE for web applications that allows users to quickly create, edit, and share projects. It supports popular frameworks like React, Angular, and Vue.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API