
Description: Teletype is a real-time collaborative text editor and programming environment. It allows developers to code together with team members in the same document at the same time.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Visual Studio Live Share is a Visual Studio extension that allows developers to collaborate on code in real time. It supports sharing a codebase, debugging together, sharing terminals, discussing via audio call, and viewing edits as they are typed.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API