
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: GMap.NET is an open source .NET control for embedding maps in desktop applications. It allows embedding Google, Bing, OpenStreetMap, WikiMapia, Yandex, ArcGIS maps and more with minimal configuration. It supports routing, geocoding, markers, polygons and various map projections.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API