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.
jochenhammes / esp32-sdr-trx
A software-defined transceiver from one ESP32-S3 board: rtl_tcp receiver for SDR++ and FM/SSB voice transmitter for 13 cm (experimental)
z2labs / sdrpp-esp-sdr-source
Native SDR++ source module for ESP-SDR on the ESP32-S3: real IQ over USB, no bridge needed
williamhuang92 / koch-wave-dojo
Morse Code Trainer APK 2026: Koch Method for R36S Handheld Gamers
soumyadeeproy859-cpu / meta-morserin0
Open Source Metamorserino ESP32 Firmware and Modular Synth Toolkit 2026
Jamsed-git / morse-waterfall-drill
CW Dojo 2026: Morse Code Trainer for R36S with Koch Method and Band Explorer
TA1EEI / vhf-morse-transmitter-monitor
Set your radio to 148.500 MHz, select FM, USB, or CW mode, and set the squelch to 0 or 1. Then, extend your radio's antenna toward the monitor's HDMI port, and congratulations—you can now transmit in Morse code directly from your monitor!
wilymego4-eng / cw-rhythm-forge
Dark Minimalist Morse Code Trainer 2026: Koch Method, Farnsworth Timing, Rhythm Game, Callsigns & Q-Codes Practice
Steven9101 / FernSDR
A WebSDR server: C++17 with no dependencies, a one-line install, and an admin panel for everything. Demo: demo.fernsdr.org
magicbug / Cloudlog
Cloudlog is a web-based amateur radio logging application built with PHP and MySQL. It supports a wide range of station logging activities, from HF to microwave, and integrates with companion tools for CAT control and automation.
k3ng / k3ng_cw_keyer
K3NG Arduino CW Keyer