
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: 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