
Description: Gubb is a free and open-source vector graphics editor for Windows, Mac and Linux. It is used to create logos, icons, illustrations, diagrams and more. Gubb offers a simple yet powerful toolset and intuitive interface to easily create 2D graphics.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: QOwnNotes is a free, open source, plain-text file notetaking application with markdown support, todo lists, full text search, and optional end-to-end encryption. It is cross-platform, available on Linux, Mac, and Windows.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API