
Description: Lunacy is a free graphic design software for Windows that allows users to open, edit, and export Sketch files. It provides a similar workflow and set of tools as Sketch for designing user interfaces and prototypes but without the subscription cost.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: InVision is a web-based prototyping and collaboration tool used by designers and developers to create interactive prototypes and get feedback on designs. It allows rapid prototyping without coding and easy collaboration across teams.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API