
Description: Baudline is a free and open source digital signal analyzer and spectrum analyzer software for Linux, Mac, and Windows. It plots realtime frequency, spectrum, spectrogram, signal scope, and persistence graphs for capturing and analyzing audio signals.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Universal Radio Hacker (URH) is an open-source software tool for analyzing, intercepting, transmitting, and decoding signals across a wide range of radio protocols. It can be used for tasks like RF signal analysis, RF protocol analysis, RF sniffer, RF jammer, and more.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API