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.
Amateur Radio GitHub Repositories (2026) · Open Source Tools
Discover the best Amateur Radio open source repositories on GitHub. Explore trending tools, live star counts, source code, and developer projects updated daily.
Not1MM != N1MM, An amateur radio contest logger for Linux and MacOS.
A WebSDR server: C++17 with no dependencies, a one-line install, and an admin panel for everything. Demo: demo.fernsdr.org
Native amateur-radio workstation for FlexRadio (FLEX-6000/8000/Aurora) — Linux, macOS, Windows · Qt6 + C++20
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 Arduino CW Keyer
Library for the Si5351 clock generator IC in the Arduino environment
An all-mode amateur radio operations center — FT8/FT4, CW (with an AI decoder), SSB phone, RTTY, SSTV, APRS and satellites in one modern app: native decode, waterfall, spots, live propagation map, POTA/SOTA & Field Day, and a DXCC logbook with LoTW/QRZ/ClubLog/eQSL. Rust + Tauri; GPLv3.