
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: Tuple is an open-source, self-hosted knowledge base and documentation software. It allows teams to create structured data and documentation that is easy to organize, search, and share. The editor supports markdown formatting for creating clean, readable text.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API