ham-radio

Cross-Platform Software-Defined Radio Application

Dire Wolf is a software "soundcard" AX.25 packet modem/TNC and APRS encoder/decoder. It can be used stand-alone to observe APRS traffic, as a tracker, digipeater, APRStt gateway, or Internet Gateway (IGate). For more information, look at the bottom 1/4 of this page and in https://github.com/wb2osz/direwolf/blob/dev/doc/README.md

A tool for reading, displaying and saving data from the NanoVNA

Gpredict satellite tracking application

Satellite tracker and pass predictor for Android, inspired by Gpredict

📡 An AX.25 packet radio chat protocol with support for digital signatures and binary compression. Like IRC over radio waves.

Modular Open Source Radio Firmware

HamPi

A cross-platform Winlink client written in Go

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.

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

CubeSatSim, the AMSAT CubeSat Simulator

HamMessenger is a portable device that uses a ham radio and the APRS protocol as a medium to send and receive text messages.

Webbased Amateur Radio Logging Software - Log your contacts from everywhere!

基于最新2025年题库的业余无线电执照考试模拟应用，支持A/B/C三类考试，提供完整的模拟考试、智能化练习、关键词搜索、报名照片处理等功能，采用Next.js 15 + React 19技术栈，支持PWA离线使用，数据本地存储确保隐私安全。

A frequency scanner for Gqrx Software Defined Radio receiver

A GUI application for configuring and programming cheap DMR radios under Linux and MacOS X.

FT8 library

Turn your Android phone into Amateur Radio Codec2/OPUS APRS enabled DV handheld transceiver (Bluetooth/BLE/USB/TCPIP KISS/Sound modem client for DV digital voice communication)

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