
Description: Pingendo is an open-source web app builder that allows users to quickly build responsive websites and web apps through a drag-and-drop interface. It uses Bootstrap framework and has a library of themes and components.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: openElement is an open-source user interface design and prototyping tool. It allows designers and developers to rapidly design, prototype and iterate on web and mobile app designs through its flexible drag and drop editor.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API