
Description: Marble is a free and open source note taking app designed for Linux desktop environments. It allows users to create rich text notes, tackle checklists, set reminders, and organize notes into notebooks. Marble is built for simplicity while still offering powerful features.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Organic Maps is an open-source, privacy-focused maps and navigation app for Android. It features turn-by-turn navigation, route planning, and offline maps without needing to connect to the internet. It does not collect user data.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API