
Description: DataGraph is an open-source data visualization and analytics platform. It allows you to connect to data sources, build interactive visualizations and dashboards, and share analytics insights. DataGraph has a drag-and-drop interface to make chart building simple yet flexible.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: LibreOffice Calc, your open-source solution for powerful spreadsheet management. Create, analyze, and share data with ease. Enjoy a free and feature-rich alternative to proprietary spreadsheet software.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API