
Description: Gqrx is a free and open source software defined radio receiver (SDR). It operates as a frontend using the hardware of an SDR to convert radio signals into a stream of digital data for processing by a computer.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: HDSDR is a popular free software-defined radio program for Windows. It supports a wide range of SDR hardware and allows listening to and decoding digital signals like DRM radio, DAB, HD Radio, Inmarsat STD-C EGC, ACARS, ATC, and more.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API