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…

Not1MM != N1MM, An amateur radio contest logger for Linux.

Multi-platform "Fast Log Entry"(FLE) processing tool

Plot QSO details vs. time.

Independend flash tools for Anytone D878UV radio (and maybe others)

Web Interface for DXSpider hamradio cluster

Xnec2c is a high-performance multi-threaded electromagnetic simulation package to model antenna near- and far-field radiation patterns for Linux and UNIX operating systems.

Open Source EchoLink Proxy

Advanced repeater system software with EchoLink support for Linux including a GUI, Qtel - the Qt EchoLink client http://svxlink.org/

HamPi

LoRa APRS Tracker with Tx and Rx capabilities, Messages, Wx, Winlink and more...

Ham Radio of Things (HRoT)

APRS-Toolchain by OE5DXL

A prometheus exporter for packet radio TNC metrics.

Database for repeaters and beacons

DMR user database BETA for Ailunce, Anytone, Tytera and Pi-Star (autogenerated every 30 minutes)

LoRa-APRS firmware for the Lilygo T-Echo

Installation scripts for running Winlink (RMS Express/Trimode & VARA) on non-Windows computers. Wine & Box86 make this project possible.

The firmware for the MMDVM (Multi-Mode Digital Voice Modem)

Advanced repeater system software with EchoLink support for Linux including a GUI, Qtel - the Qt EchoLink client

Modular Open Source Radio Firmware

Configuration utility for DMR radios

MeshCom Client 4.0

LoRa APRS iGATE for ESP32 Based Board with Rx + Tx capabilities

Simple web-based tool to generate APRS-IS callsign passcodes for the APRS-IS network.

A multiplexing network server for Amateur Radio packet terminal node controllers (TNCs)

APRS-IS password generator

LoRa ESP32 KISS Bluetooth modem (for APRSDroid or aprs.fi iOS) + APRS-IS RX/TX iGate over WiFi + Digipeater + DV (with Codec2 Walkie-Talkie)

An Nodeless MQTT Client for Meshtastic