Open Source Windows Ham Radio Software
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Ham Radio Software for Windows
View 1345 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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Minos is a VHF contest logging program, together with a collection of programs to assist with station and site operation.
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SkyRoof
A Windows app for Hams and satellite enthusiasts
SkyRoof is an open-source Windows application that combines amateur radio satellite tracking with software-defined radio capabilities. It provides real-time satellite positions, pass predictions, and detailed information about satellites transmitting on amateur radio frequencies. Interactive sky, Earth, timeline, and pass list views help operators plan observations and communications. An SDR waterfall displays VHF and UHF satellite signals with Doppler-corrected frequency information. Built-in receivers support SSB, CW, and FM operation. Telemetry decoders process several digital modulation formats and can submit frames to SatNOGS. Image decoders reconstruct SSTV and SSDV transmissions. Additional tools support FT4 contacts, QSO logging, audio recording, transceiver control, and antenna rotators. -
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AetherSDR
Native amateur-radio workstation for FlexRadio (FLEX-6000/8000/Aurora)
AetherSDR is an open-source amateur radio workstation for controlling FlexRadio FLEX-6000, FLEX-8000, and Aurora transceivers. Built with Qt6 and C++20, it runs natively on Windows, macOS, Linux, and compatible ARM devices. GPU-accelerated spectrum displays and waterfalls provide real-time signal visualization. Multiple receivers and panadapters support independent tuning and transmission controls. Integrated audio processing offers equalization, compression, noise reduction, and voice enhancement. Digital communication tools support DAX audio, IQ streams, packet radio, and Morse code operation. Additional capabilities include remote radio access, public SDR receiver browsing, spotting networks, and propagation maps. Its modular interface supports advanced amateur radio workflows. -
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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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Client software for users of the Automatic Packet Reporting System amateur radio network.
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Nexus Ham Radio
All-mode ham radio operations center: 9 modes TX, APRS, awards
Nexus puts the whole ham station in one modern app: FT8/FT4 with WSJT-X-grade sequencing plus Q65, FST4, FST4W, MSK144, JT65 and WSPR all transmitting, RTTY, SSTV, APRS, SSB/FM phone, and CW with a neural-net decoder. The rig's own RF panadapter streams into the cockpit on native-CI-V Icom and FlexRadio. The waterfall pauses and rewinds. Route each band and mode to the radio that does it best, across up to three rigs. Awards (DXCC, WAS, WAZ, VUCC, IOTA) compute offline, and an eQSL or QRZ match never inflates an LoTW-grade award. Propagation uses a native ITU-R P.533 port and scores openings on receivers near you, not the global firehose. APRS draws real station symbols, decodes weather reports, connects to APRS-IS, and runs a receive-only iGate. Speaks WSJT-X's UDP protocol byte-for-byte, so GridTracker and JTAlert keep working. Its FT8/FT4 decode floor measures -21.3 dB against stock WSJT-X's -20.7 on identical audio. Windows, Linux, Raspberry Pi. GPL-3.0, by KD9TAW. -
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Meshtastic
Android application for Meshtastic
Meshtastic Android is a free, open-source application that enables communication through decentralized LoRa mesh radio networks. It connects Android devices to compatible Meshtastic radio hardware, allowing users to exchange messages without relying on cellular networks or internet connectivity. The application supports encrypted text messaging, communication channels, and direct conversations between network participants. Users can view connected devices, monitor signal information, and manage radio configurations. It also provides location sharing and map-based visualization when positioning data is available. Messages can travel between compatible radio nodes through mesh networking, extending communication beyond direct device connections. Meshtastic Android is particularly useful for outdoor enthusiasts, emergency preparedness, remote communities, and off-grid communication. -
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HFPilot
HFPilot for shortwave/ham radio HF propagation. Let signals fly around
HFPilot for shortwave/ham radio HF propagation. Let signals fly around the world with HFPilot! -
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Artemis
The reference for radio signal identification
Artemis is a free, open-source application designed to identify, classify, and document radio frequency signals. It provides access to a community-maintained database containing more than 500 recognized signal types. Users can compare observed signals against reference information to determine their possible origins and characteristics. The software organizes technical parameters such as frequency, bandwidth, and modulation. It also allows users to store spectrum waterfall images, audio recordings, and supporting documents for future reference. Artemis assists with radio spectrum analysis and signal investigation without requiring users to maintain their own reference database. It is particularly useful for radio enthusiasts, software-defined radio operators, and researchers studying wireless communications. -
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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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SatDump
A generic satellite data processing software
SatDump is a free, open-source satellite data processing application designed for receiving, decoding, and analyzing transmissions from numerous satellites. It supports real-time signal reception through compatible software-defined radio devices and offline processing of recorded data. The application provides specialized decoding pipelines for different satellite systems, modulation formats, and data products. Users can transform received signals into imagery, telemetry, and other interpretable outputs. Its graphical interface includes recording controls, processing configurations, and signal monitoring tools. SatDump also provides a command-line interface for automated processing and advanced workflows. Available across multiple operating systems, it supports satellite enthusiasts, researchers, and radio operators working with Earth observation and communications signals. -
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SDR++
Cross-Platform SDR Software
SDR++ is a free, open-source software-defined radio application designed for receiving and analyzing radio signals through compatible SDR hardware. It provides a lightweight interface for tuning frequencies, viewing spectrum activity, and demodulating transmissions. The application supports multiple virtual frequency oscillators, allowing users to monitor several signals within an available bandwidth. Its hardware compatibility includes dedicated receiver modules and devices supported through SoapySDR. SDR++ uses SIMD-accelerated digital signal processing for efficient signal handling. Its waterfall display provides detailed visualization of radio activity over time. Available for Windows, macOS, Linux, and BSD, it features a modular architecture that allows developers to extend functionality through plugins. -
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WS - Digital Mode Suite
formerly known as WSJT-X Improved
WS is an innovative suite of programs for weak-signal digital communication in amateur radio by Uwe Risse DG2YCB et al., formerly known as WSJT-X Improved. WS grew out of WSJT-X by Joe Taylor K1JT, Steve Franke K9AN, Bill Somerville G4WJS, Uwe Risse DG2YCB and others (https://sourceforge.net/projects/wsjt/). The WS Suite consists of three programs: WS (the main program), WS-MAP (wideband Q65 monitor) and EME65 (wideband JT65/Q65 for EME). The WS main program supports FT8, FT4, FT2, JT4, JT9, JT65, Q65, FST4, MSK144, WSPR, FST4W, and Echo. Notes: The WS Suite 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! WS, including its logo and all program components, is protected by copyright. Any use or modification of the code or parts thereof (e.g., the adaptation of individual program functions), is permitted only if the origin of that function or code is clearly indicated. -
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Open source libraries and utilities to support using digital signatures for Amateur radio QSL information.
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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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This 'comfort'-version based of the wsjt-x-3.1.0_improved_PLUS'-(version 260522) from UWE,DG2YCB All 'comfort'-features are in addition to 'improved'-feature.
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HamRadioWeb.com
Remote FT8/FT4 operation for WSJT-X/JTDX — from any browser, free
HamRadioWeb Companion bridges WSJT-X/JTDX to HamRadioWeb.com, letting you monitor and transmit FT8/FT4 from any browser — phone, laptop, anywhere — not just the PC next to your radio. Install it, link your free HamRadioWeb account with one click (no API keys to copy), and keep using WSJT-X/JTDX exactly as you already do. The Companion reads your decodes over UDP and streams them to the web, where you also get: - Live comparison of your reception vs. nearby operators (via PSKReporter) - A shared band-activity feed and world map, updated in real time - Automatic QSO logging, DXCC/grid hunting, and per-band chat - A kill-switch (HALT) that always works, on every plan, so you're never one bad connection from losing control of your transmitter 73, HamRadioWeb.com -
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Mesh126
Mesh126 data modem with end-to-end encrypted messaging, in Rust.
Mesh126 is a lightweight messaging stack for HF (shortwave) radio. Its engine, datac3 , is a Rust program that transmits and receives FreeDV DATAC0/3 frames through `libcodec2` (8 kHz mono audio). - ed25519 identities (short ID = xxhash32 of the public key) - a "public channel" in clear text and a "private channel" encrypted end-to-end (x25519 ECDH + ChaCha20-Poly1305) - acknowledgements, multi-hop relay (TTL, loop-avoidance, booster mode) and a "public-channel repeater" mode - nicknames and `@mention` highlighting - a "TCP "TNC" server" : connect any text client (PuTTY, netcat…) — multi-window, per-peer ports, ANSI colour - "RA (amateur-radio) mode": public, clear text, callsign in header - an internal loopback mode to test without a radio The "Mesh126" Android app is the companion mobile client. -
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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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HAMLIB SDK (Evolved JTSDK)
Hamlib SDK - Supporting Qt & JT-based HAM Software within Windows 11
This kit is designed to support research and learning into Hamlib (https://sourceforge.net/projects/hamlib/) and WSJT-X (https://wsjt.sourceforge.io/wsjtx.html) within a Windows 11 environment. Follow discussion at JTSDK @ GROUPS.IO . The file(s) needed to deploy the kit are : - https://sourceforge.net/projects/hamlib-sdk/files/Windows/JTSDK-4.1-Stream/JTSDK64-4.1.1.exe - https://sourceforge.net/projects/hamlib-sdk/files/Windows/JTSDK-4.1-Stream/JTSDK64-4.1.1-U2.exe Hamlib is dynamic due to the differences in hardware capabilities. See: https://sourceforge.net/projects/hamlib/ Efforts focus on learning and compiling "JT" software. Packages are provided that enable kits to be easily maintained and updated. As methods used by WSJT-X developers have changed, this project is no longer in active development. Thanks to all the contributors - Remembering Mike W9MDB(sk) - who have contributed to us receiving recognition with SourceForge with a Community Choice Award. -
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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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The Ground Station Software Suite projects aims at providing free, useful software tools for ham radio operators. Currently, these projects used to host the Grig communication radio control and Gpredict. The source repositories have been moved over to GitHub.
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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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FT-710 Settings Manager
Demo of Claude-based shell allowing FT-710's settings to be edited
FT-710 Settings Backup and Manipulation Tool =================================== This is a demonstration Qt6 C++ mingw64 program that was initially generated in a Claude.AI shell to manipulate, read, edit, backup-save and backup-reload a FT-710's settings. [ It is noted that this can be done to a SD-Card ... This works with PCs and Macs ] It also demonstrates that LLM's are not the sole answer - as to be of utility one must "tweak" what comes out of LLMs. Note: NO EXECUTABLES SUPPLIED. You must build this with an Open Source Qt SDK - available at https://www.qt.io/development/download-qt-installer-oss . Supporting Open Source and access to Open Source. Released under GPL-3.0 https://www.gnu.org/licenses/gpl-3.0.html#license-text . -
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NetTrack
Net session logger for HAM and GMRS net meetings
NetTrack is software designed for HAM and GMRS radio clubs and organizations so that they can track net meeting sessions and user participation. The current version is 2.0.5 and is supplied at no charge . NetTrack is copyrighted software, but the licensing is open. This means that you may use it, give it away, make it available to others on a public or private server, throw darts at it, or set it on fire, but you can NOT sell it. This software is meant to be true FreeWare. NetTrack is available for Windows and Linux systems
