
Description: GnuPlot is a free, open-source graphing utility that can produce publication-quality 2D and 3D plots. It supports various plot types like line, scatter, histogram, boxplot, and contour plots. GnuPlot can also fit and manipulate data.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Graphmatica is a free, open-source software for exploring complex networks and graphs. It features an intuitive graphical interface for visualizing network data, analyzing network topology, finding communities and clusters, calculating network metrics, and more. Graphmatica supports importing network data from a variety of file formats.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API