
Description: ProtoSketch is a user interface (UI) and user experience (UX) prototyping tool that allows designers to quickly create wireframes, mockups, and prototypes. It has a simple and intuitive drag-and-drop interface to design responsive websites and mobile apps.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Graphite is an open-source monitoring and graphing tool used to track metrics and visualize data. It stores numeric time-series data and renders graphs in real-time. Graphite can be used to monitor infrastructure and applications to identify trends and anomalies.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API