
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: MAPS.ME is a free, open-source mobile app providing offline maps and GPS navigation for over 200 countries. It allows users to download detailed maps to their device for access offline, search for places and addresses, plan routes by car, bike or foot, track their position and more, without needing an internet connection.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API