
Description: Tayasui Sketches is a professional drawing and sketching app for iOS devices. It provides a realistic simulation of pens, pencils, markers, and brushes to create digital artwork. Key features include layers, customizable brushes, rulers, symmetry tools, and export options.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Interference is an open-source alternative to Figma for interface design, prototyping, and collaboration. It provides vector design tools and adaptive layout grids to design responsive web and mobile apps.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API