GitHub - demantz/RFAnalyzer: Spectrum Analyzer for Android using the HackRF
Using the Airspy as a low cost Spectrum Analyzer with Spectrum Spy
Using a Software Defined Radio to Debug LoRa Communication Problems
GitHub - xmikos/qspectrumanalyzer: Spectrum analyzer for multiple SDR platforms (PyQtGraph based GUI for soapy_power, hackrf_sweep, rtl_power, rx_power and other backends)