- RuView by ruvnet, 104k stars. Uses WiFi signals from ESP32 hardware to detect presence and vital signs
- PLFM_RADAR by NawfalMotii79, 27k stars. Open source low-cost 10.5 GHz phased array radar design
- Flipper by UberGuidoZ, 18k stars. Collection of files, dumps and tweaks for the Flipper Zero
- SigDigger by BatchDrake, 2.9k stars. Qt desktop signal analyzer for software-defined radio receivers
- w1700k-sdr by h0m3us3r, 927 stars. C code for software-defined radio work on the W1700K
- micro-radar by AnthonySturdy, 802 stars. Desk-sized open-source flight radar display in C++
- FlightScnr_Pi by yashmulgaonkar, 676 stars. Raspberry Pi desktop radar showing nearby aircraft and marine vessels on a round screen
- DOPPLERGEIST by 1337isnot1337, 598 stars. Locates a recording by matching aircraft Doppler audio to ADS-B flight data
- potato-mesh by l5yth, 553 stars. Web dashboard for Meshtastic, Meshcore and Reticulum mesh radio nodes
- sdrmm by Newspicel, 381 stars. Modular client and server software-defined radio with signal processing
- RFSentinel by CIS-C0, 193 stars. Android app that detects ALPR cameras, body cams and trackers over radio
- Small-portable-weather-radar-Dome by Koakno, 144 stars. Portable weather radar built from a Winegard antenna and a low-cost RF device
- fec by brian-armstrong, 52 stars. Rust crate implementing Reed-Solomon and Viterbi error correction codes
- ESP32-FM-Radio-Custom-PCB-and-Enclosure by turtushig22-blip, 45 stars. ESP32 FM radio with TEA5767 tuner, OLED display and custom PCB files
- Mocktastic by Vapmuz, 24 stars. C++ Meshtastic client for ESP32 boards built in Arduino IDE
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