
Description: Gustaf is an open-source customer data platform (CDP) that focuses on consent and data governance. It allows you to build a unified customer profile, activate data across channels, and manage consent and permissions.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Instrument Bible is a free web app that provides detailed information on musical instruments like guitars, pianos, drums, and more. It covers the history, construction, tonewoods, and other specs for hundreds of instruments.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API