
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: ProtoTouch is a prototyping and wireframing software that allows users to quickly create interactive prototypes and wireframes for websites, mobile apps, and other software. It has a simple and intuitive drag-and-drop interface to design and link together screens.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API