adswill / OnAir

Free SDR receiver for macOS, Windows and Linux: digital TV (DVB-T/T2, DVB-C, DVB-S/S2, ATSC, ISDB-T, DTMB), DAB+, FM, DRM, aviation (ADS-B, ACARS, VDL2), satellites, GNSS, ham modes (FT8, PSK31, CW), digital voice, cell towers and a spectrum analyser. HackRF, RTL-SDR, Airspy, SDRplay, BladeRF, LimeSDR, Pluto, USRP.

dhihacker / AirBandScan

Scans the aviation band with an SDR, records every voice call on its own, and lets you listen, browse, and download them from a web browser. Classifies voice/non-voice signals, with live spectrum and spectrogram views. Works with RTL-SDR, HackRF, and Airspy on Windows and Linux.

Newspicel / sdrmm

modular, client–server software-defined radio

wiedehopf / readsb

ADS-B decoder swiss knife

777arc / PySDR

PySDR is a guide to software-defined radio (SDR) and RF signal processing using Python, live at https://pysdr.org

gqrx-sdr / gqrx

Software defined radio receiver powered by GNU Radio and Qt.

wiedehopf / tar1090

Provides an improved webinterface for use with ADS-B decoders readsb / dump1090-fa

merbanan / rtl_433

Program to decode radio transmissions from devices on the ISM bands (and other frequencies)

f4exb / sdrangel

SDR Rx/Tx software for Airspy, Airspy HF+, BladeRF, HackRF, LimeSDR, PlutoSDR, RTL-SDR, SDRplay and FunCube

cpaczek / skylight

Project the aircraft passing overhead onto your ceiling in real time, from an RTL-SDR — with a live sky layer (sun, moon, stars, ISS) and where each plane is headed.

gnss-sdr / gnss-sdr

GNSS-SDR, an open-source software-defined GNSS receiver

ainfosec / FISSURE

The RF and reverse engineering framework for everyone. Follow and ★ to show your support!

wmbusmeters / wmbusmeters

Read the wired or wireless mbus protocol to acquire utility meter readings.

theori-io / nrsc5

NRSC-5 receiver for rtl-sdr

rtl-airband / RTLSDR-Airband

Multichannel AM/NFM demodulator

jvde-github / AIS-catcher

AIS receiver for RTL SDR dongles, Airspy R2, Airspy Mini, Airspy HF+, HackRF, SDRplay and SoapySDR

AlbrechtL / welle.io

A DAB/DAB+ Software Defined Radio (SDR)

hardcoreerik / OrcSDR

Portable touchscreen SDR for M5Stack Tab5 + RTL-SDR dongles — spectrum, waterfall, FM/AM, Shortwave, ADS-B, FT8, P25, LoRa, RF tools, and Wi-Fi analysis without a PC.

diddy-boy / OFFgrid-SDR

RTL USB HTML SDR radio

Steven9101 / FernSDR

A WebSDR server: C++17 with no dependencies, a one-line install, and an admin panel for everything. Demo: demo.fernsdr.org

hardcoreerik / esp-rtl-sdr

Clean-room ESP-IDF USB Host driver for RTL2832U-class SDR (Blog V4 first). Not a librtlsdr port.