
Description: GNU Radio is a free and open-source software development toolkit that provides signal processing blocks to implement software-defined radios and signal processing systems. It can be used for rapid prototyping, experimentation, and education.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Inspectrum is an open-source tool for analyzing captured signals, mainly from software-defined radios. It can decode common signal types like FM radio and display spectra and waterfall plots.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API