GitHub - xmikos/qspectrumanalyzer: Spectrum analyzer for multiple SDR platforms (PyQtGraph based GUI for soapy_power, hackrf_sweep, rtl_power, rx_power and other backends)
The BIG List of RTL-SDR Supported Software
gqrx – Gqrx SDR
The BIG List of RTL-SDR Supported Software
Build an automatic frequency scanner with RTL-SDR and Gqrx - Slowmin