
Description: POP (Prototyping on Paper) is a paper prototyping software used to rapidly create, collaborate, and iterate on hand-drawn interface prototypes during the design phase of web and mobile app development. Its ease of use and refined paper templates make it a popular, low-cost choice for UX designers and developers.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: quickMockup is a free online tool for easily creating mockups, wireframes, and prototypes. It has a simple drag-and-drop interface to design responsive web and mobile app layouts. Key features include pre-designed interface elements, reusable components, collaboration tools, and export options.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API