
Description: Autodesk SketchBook is a digital painting and drawing software that lets users create concept art, comic art, industrial design illustrations, and more. It has a simple and intuitive interface with customizable brushes, layers, rulers and guides, and perspective tools.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Serif DrawPlus is a vector graphics editor for Windows developed by Serif. It allows users to create illustrations, designs, diagrams, and more. DrawPlus has tools for drawing shapes, applying colors and effects, typography, etc. It is an affordable alternative to premium tools like Adobe Illustrator.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API