
Description: CoCalc is an online collaborative computing platform that allows real-time collaboration on worksheets, code, data exploration and more. It supports many programming languages and integrates with popular tools like Jupyter notebooks.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Overleaf is an online LaTeX editor that allows real-time collaboration on documents. It has templates for papers, resumes, thesis, and more. The basic version is free.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API