Open Source Windows Ham Radio Software
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Ham Radio Software for Windows
View 1300 business solutionsBrowse free open source Ham Radio software and projects for Windows below. Use the toggles on the left to filter open source Ham Radio software by OS, license, language, programming language, and project status.
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WSJT
Weak signal ham radio communication
The WSJT project implements software for amateur radio communication using state-of-the-art digital techniques. Typical applications involve "DXing" at LF, MF, HF, and VHF+ frequencies, including meteor scatter and EME ("moonbounce"). Major emphasis is placed on weak-signal techniques. Summary Program Descriptions: WSJT-X supports the communication protocols FST4, FT4, FT8, JT4, JT9, JT65, Q65, MSK144, WSPR, FST4W, and Echo, each optimized for different sorts of radio-wave propagation. MAP65 and QMAP are designed for EME at VHF and higher frequencies. MAP65 provides a panoramic, polarization-matching receiver for the Q65 and JT65. modes. QMAP works together with WSJT-X to provide a panoramic receiver for Q65 modes covering a 90 kHz sub-band. Programs WSJT and WSPR are interesting primarily for historical reasons. They are superseded by WSJT-X. -
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WSJT-X_IMPROVED is published by Uwe Risse, DG2YCB. It is an enhanced edition of the excellent WSJT-X software by Joe Taylor K1JT, Steve Franke K9AN, Bill Somerville G4WJS, myself and others (https://sourceforge.net/projects/wsjt/) that provides several additional features and improvements, as well as more frequent updates and bug fixes. Notes: wsjt-x_improved is experimental and is licensed under GNU GPL v3 (https://www.gnu.org/licenses/gpl-3.0.txt). I am not aware of any adverse effects. However, use it at your own risk! Subscribe to the mailing list: https://sourceforge.net/projects/wsjt-x-improved/lists/wsjt-x-improved-community. Find the various installation packages on the "Files" tab (https://sourceforge.net/projects/wsjt-x-improved/files/).
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fldigi
Ham Radio Digital Modem Application
Fldigi is a modem program for most of the digital modes used by radio amateurs today: CW, PSK, MFSK, RTTY, Hell, DominoEX, Olivia, and Throb are all supported. It can help calibrate a sound card to a time signal and do frequency measurement tests. NOTICE: You must proceed to the Files section to locate the correct fldigi, flrig etal download for your particular operating system. Do not blithely use the big green Download button! Use the "Files" menu item or the "Browse All Files" link. -
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═══════════ ▲▲▲ ═════════════════════════════════════════════ Find the various versions on the "Files" tab (https://sourceforge.net/projects/jtdx-improved/files/) jtdx_improved is an enhanced version of JTDX by Igor Chernikov et al. (https://sourceforge.net/projects/jtdx/). Both my and Igor's forks are based on the excellent WSJT-X software by Joe Taylor K1JT, Steve Franke K9AN, Bill Somerville G4WJS, myself and others (https://sourceforge.net/projects/wsjt/). After the succes of my wsjt-x_improved project (https://sourceforge.net/projects/wsjt-x-improved/) I thought it was time to implement some of its enhancements now also to JTDX … Notes: jtdx_improved is experimental and is licensed under GNU GPL v3 (https://www.gnu.org/licenses/gpl-3.0.txt). I am not aware of any adverse effects. However, use it at your own risk! Subscribe to the mailing list: https://sourceforge.net/projects/jtdx-improved/lists/jtdx-improved-community.
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HackRF
Low cost software radio platform
This repository contains hardware designs and software for HackRF, a low-cost, open source Software Defined Radio platform. HackRF One from Great Scott Gadgets is a Software Defined Radio peripheral capable of transmission or reception of radio signals from 1 MHz to 6 GHz. Designed to enable test and development of modern and next-generation radio technologies, HackRF One is an open-source hardware platform that can be used as a USB peripheral or programmed for stand-alone operation. HackRF One has an injection-molded plastic enclosure and ships with a micro USB cable. An antenna is not included. ANT500 is recommended as a starter antenna for HackRF One. HackRF One is test equipment for RF systems. It has not been tested for compliance with regulations governing the transmission of radio signals. You are responsible for using your HackRF One legally. -
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Ham Radio Control Libraries
Library to control radio transceivers and receivers
The Hamlib project's purpose is to develop flexible and portable shared libraries that offer a standardized API to control any radio oriented equipment through a computer interface. -
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Gpredict
Real time satellite tracking and orbit prediction
Gpredict is a real-time satellite tracking and orbit prediction application. Gpredict can track an unlimited number of satellites and display the data in tables and various graphical view. -
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Client software for users of the Automatic Packet Reporting System amateur radio network.
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Nexus Ham Radio
Free, open-source ham radio workstation — FT8/FT4, phone, CW, prop
Nexus brings the whole ham station — FT8/FT4, phone, CW, satellites, propagation, logging, and awards — into one modern Windows app a new Technician can set up in minutes and a seasoned DXer won't outgrow. A 3-step wizard detects your rig (USB or FlexRadio LAN), sets CAT and audio, and won't transmit outside your licensed segment; ~50 rigs + Hamlib bundled. FT8/FT4 sequencing built to WSJT-X, a sortable roster with country/worked-before/LoTW flags, one-click work-it. Band-opening detector anchored to your station, a native ITU-R P.533 engine, and a 3-D greyline globe. The Needed board ranks callers by log value with proof the path is real. Phone bandscope + voice keyer; CW keyer + live decoder; satellites with rotor auto-track. Speaks WSJT-X UDP so GridTracker/JTAlert/loggers work; LoTW/QRZ/ClubLog/eQSL/N1MM. Also debuts FT1/DX1 — experimental 4-second weak-signal modes, simulation-validated, not yet on-air-proven. Open beta; unsigned installer — verify the SHA-256. GPL-3.0. -
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KB1OIQ - Andy's Ham Radio Linux
Install ham radio software on Debian Live, RPi OS, or Ubuntu Linux
Latest Version: - Version v27: May 3rd, 2026 Version 27 ======== AHRL can be installed on top of Debian Live, Raspberry Pi OS, or any supported flavor of Ubuntu Linux. The supported Linux flavors are listed in the GETTING_STARTED document. An installation script does all of the work. Please download and read the bug workarounds file: https://sourceforge.net/projects/kb1oiq-andysham/files/v27/V27_Bug_Workarounds.txt Please download and READ the installation instructions: https://sourceforge.net/projects/kb1oiq-andysham/files/v27/GETTING_STARTED Watch a video of Andy (KB1OIQ) as he talks about AHRL during a ham radio convention in MA in the summer of 2025: https://www.youtube.com/watch?v=hwuKZK1dKcU&t=2086s Several videos of Andy's complete AHRL presentation can be found on YouTube. Here is one made in March 2026: https://youtu.be/xv9YnREmeAA?si=yMTX8yJsQFyeJG0i -
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Wait and Pounce FT8
Wait to decode callsigns, then call them using UDP protocol
Neat alternative for JTAlert. Available for both Apple and Windows (10+). Make sure to automatically call any Wanted callsigns specified. Can also be used to monitor band opening. Can handle callsign exclusions. Can even handle wanted callsigns according to your worked before Rules. -
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WSJT-Z
WSJT-X fork by SQ9FVE
Starting May 2026, all releases will be published on GitHub: https://github.com/sq9fve/wsjt-z/releases WSJT-Z Forum: https://groups.io/g/WSJT-Z/topics -
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echoes
Echoes is a radio spectral analysis software for SDR devices
Echoes it's a radio spectral analysis software for SDR devices, designed for meteor scattering purposes. The older releases supported only RTL-SDR devices. They are very cheap SDR based on DVB-T TV tuner dongles based on Realtek's RTL2832U chipset. Starting from 0.50 Echoes embeds SoapySDR allowing the support of many other SDRs. Echoes doesn't demodulate neither decode any human-made signal. Its main goal is to analyze and record the total power of natural signals and generate screenshots and tabular data (CSV,) output in presence of particular peaks in a selected narrow range of frequencies. Since there is no demodulation, there is no provision for audio listening, except for a notify sound when an event has been recorded. Finally, Echoes can also operate getting an audio input, thus producing audio spectra. This way, Echoes can also be used with traditional receivers. -
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Open source libraries and utilities to support using digital signatures for Amateur radio QSL information.
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gpsfeed+
A software gps simulator
A software gps simulator, providing TCP/IP, UDP, http and serial port connectivity in NMEA 0183, XML or user defined output format. Usable for testing all kinds of GPS applications. Can playback pre-recorded GPS files with NMEA output. -
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Repeater-START
Showing The Amateur radio Repeaters Tool
Repeater-START (Showing The Amateur Repeaters Tool) is an app to view nearby ham radio repeaters. It runs on Windows, Android, Ubuntu Linux and Raspbian for Raspberry-pi, Librem Phone, Pinephone/Manjaro Linux etc. -
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RTLSDR Scanner
A cross platform Python frequency scanning GUI for rtl-sdr
A cross platform Python frequency scanning GUI for USB TV dongles, using the OsmoSDR rtl-sdr library. In other words a cheap, simple Spectrum Analyser. More information can be found at: http://eartoearoak.com/software/rtlsdr-scanner An installer and standalone versions for Windows are located here: https://github.com/EarToEarOak/RTLSDR-Scanner/releases Sources are available on GitHub: https://github.com/EarToEarOak/RTLSDR-Scanner ** The up to date installer is no longer maintained on this site and can now be found at https://github.com/EarToEarOak/RTLSDR-Scanner/releases ** -
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hamclock-next
Full re-write of hamclock in SDL2
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Morse Code Tools
Translate RSS/Atom feeds & Files into Morse, send Morse from Key/Mouse
Two programs: (1) MorseNews sends news from one or more RSS and Atom feeds as Morse code, and (2) MorseKeyer, an iambic/bug keyer with mouse & serial key/paddle. Both play CW or sounder audio with optional Rayleigh fading and static crashes, and drive external sounder, loop, or ham rig. See http://morse-rss-news.sourceforge.net/ -
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Minos is a VHF contest logging program, together with a collection of programs to assist with station and site operation.
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Qtmm AFSK1200 Decoder
AFSK1200 decoder
Qtmm is a simple AFSK1200 decoder that uses the computer's sound card for input. It can be used to decode packet radio, APRS and telemetry from amateur radio satellites. -
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RadioCaster
Stream audio from your PC to the internet with ease
RadioCaster is an easy-to-use and powerful tool for streaming any audio — including analog sources — from your computer to the internet. The program lets you encode audio with your desired quality and broadcast it in real time to a server for your listeners. It supports all popular streaming formats (MP3, AAC+, FLAC, OGG, OPUS) and works with Icecast, Shoutcast, and Windows Media Services servers. RadioCaster is compatible with ASIO sound cards and allows capturing audio playback from your PC, line input, or even rebroadcasting internet streams. With built-in sound processing tools such as an equalizer, compressor, and support for VST and Winamp DSP plugins, you can achieve professional-quality broadcasts. The software also includes a built-in broadcasting server, metadata support, and streaming statistics. -
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JTSDK
Build Systems for WSJT Applications
JTSDK is a pre-configured collection of open source cross platform development frameworks, Gnu tools, libraries and custom written scripts designed to ease compiling WSJT applications and documentation from source code. WINDOWS APPLICATIONS ---------------------------------------------------------------------- * JTSDK-QT.......: WSJT-X, WSPR-X and MAP65 * JTSDK-PY........: WSJT and WSPR * JTSDK-DOC....: All WSJT Documentation * JTSDK-MSYS..: General Compiling LINUX APPLICATIONS ------------------------------------------------------------------ * JTSDK-Nix.......: WSJT, WSJT-X and WSPR