
Description: GraphSketcher is a free, open-source software for drawing different types of graphs and diagrams. It allows users to easily create flow charts, UML diagrams, ER diagrams, network diagrams, mockups, floor plans, and more. Key features include a simple and intuitive interface, auto layout and formatting tools, export to various file types such as PNG, SVG, PDF, etc.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Core Plot is an open-source 2D plotting framework for macOS, iOS, and tvOS. It provides high-performance plotting, numerical analysis, and data visualization functionality to developers writing native Mac, iPhone, iPad, and Apple TV apps.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API