Software by activity

Software by activity

Every program the catalog carries, laid out the way the desktop menu is (D-050, D-055): one chapter per activity, one section per thing a person looks for. A program with several tags is listed under each. Generated from catalog/categories.yaml and the package manifests.

Operate the Station

Control the rig, keep the log, work the cluster, set the clock and the position.

Rig Control (CAT)

CAT control of a transceiver while operating: frequency, mode, PTT and the panel on the screen.

• aethersdr — Linux client for FlexRadio transceivers
• cqrlog — Full-featured station log with a database behind it and rig control in front
• flrig — Rig control with a real front panel, shared between programs over XML-RPC
• flwkey — Control panel for the Winkeyer hardware CW keyer
• icom — Minimal CI-V control for Icom radios from the command line
• kappanhang — Opens an Icom network radio as an ordinary sound card and serial port
• kel-agent — Bridges browser-based logging software to the radio hardware on your desk
• klog — Cross-platform Qt station log that stays out of the way
• libhamlib-utils — The command-line tools for hamlib — test a radio before blaming software
• pihpsdr — Operator program for OpenHPSDR transceivers -- ANAN, Hermes Lite 2 and their kin
• qlog — Modern Qt station log with award tracking and online-service upload
• quisk — SDR transceiver software with a real front panel, driving hardware or a dongle
• rig-service — One shared rigctld for the station's rig, as a systemd user service
• ser2net — Serve a serial port over TCP, so a rig's CAT port can be reached from another machine
• wfview — Control a modern Icom radio, waterfall and all, over USB or the network

Logbooks & QSL

Contact logging, awards tracking, Logbook of the World and the lookups a log needs.

• country-files — The DX-cluster country file (cty.dat) — callsign prefix to entity, zone and coordinates
• cqrlog — Full-featured station log with a database behind it and rig control in front
• fllog — Logging server the W1HKJ programs write contacts into
• flnet — Net control operator's list — who checked in, in what order
• kel-agent — Bridges browser-based logging software to the radio hardware on your desk
• klog — Cross-platform Qt station log that stays out of the way
• not1mm — A contest logger that speaks to your rig, keyer and cluster
• pyqso — Simple GTK logger in Python, easy to read and easy to change
• python3-pyhamtools — Python library for callsign lookup, locators and DXCC data
• qlog — Modern Qt station log with award tracking and online-service upload
• trustedqsl — Signs and uploads logs to ARRL Logbook of the World
• tucnak — VHF and above contest logger, built around locator scoring and networking
• xlog — Small GTK station log that opens instantly and does the basics well

Contesting

Contest loggers, scoring, duplicate checking, keying and the country file.

• country-files — The DX-cluster country file (cty.dat) — callsign prefix to entity, zone and coordinates
• cwdaemon — Network service that keys a transmitter's Morse from a serial or parallel port
• not1mm — A contest logger that speaks to your rig, keyer and cluster
• tlf — Console contest logger built for speed, driven from the keyboard
• tucnak — VHF and above contest logger, built around locator scoring and networking

DX Cluster & Spots

Cluster clients: what other operators are hearing right now.

• flcluster — DX cluster client that feeds the rest of the W1HKJ suite
• xdx — DX cluster client — see what other operators are hearing, right now

Station Dashboards

HamClock-style boards: grey line, propagation, spots and the day at a glance.

• hamclock-next — Maintained SDL2 rewrite of HamClock — grey line, propagation, DX cluster
• hammunition-hill — Local-first ham radio dashboard — the Hammunition family's own
• openhamclock — Community continuation of HamClock as a browser dashboard — grey line, propagation, spots, satellites
• sunclock — World map showing the day-night terminator and where the sun is now

Time & Frequency

Clocks, radio time signals and time-zone displays for the operating position.

• chrony — The clock follows your GPS receiver when the network is gone — chrony reading gpsd
• radioclk — Disciplines the system clock from an MSF, WWVB or DCF77 time signal
• twclock — World clock for the operating position, with a CW station-ID timer
• tzwatch — Prints the time in several time zones at once, in a terminal

GPS & GNSS

GPS receivers and the daemon that shares one, format converters, and a GNSS receiver in software.

• chrony — The clock follows your GPS receiver when the network is gone — chrony reading gpsd
• gnss-sdr — A complete GPS and GNSS receiver built entirely in software
• gps-tether — Your GPS position on 127.0.0.1 for QMapShack, the browser map and GeoClue, as a user service
• gpsbabel — Converts between GPS file formats and talks to the receiver
• gpsd — GPS service daemon — one process owns the receiver, everything else asks it
• gpsd-clients — Clients that consume what gpsd serves — xgps, gpspipe, gpxlogger, gpsdecode
• gpsd-tools — cgps and gpsmon — the two programs you actually reach for when a receiver misbehaves
• navit — Offline turn-by-turn navigation that follows the GPS, with spoken directions
• pygpsclient — See what your GNSS receiver sees, and configure a u-blox receiver without u-center
• qmapshack — Offline topographic maps, trails, GPX tracks, elevation profiles and routing on foot

Navigation & Maps

Offline maps, turn-by-turn navigation and the position on a moving map, with no network needed.

• acma-register — The Australian regulator's licence register, for the ACMA repeater layer on the map
• brouter — BRouter, the offline router QMapShack runs for hiking, bike and car routes with elevation
• brouter-mapcreator-profiles — The two filter files BRouter's map creator needs and its release zip leaves out
• brouter-segments — BRouter routing files built from your own regions, with elevation, never downloaded
• comaps — Offline vector maps with search and car, bike and foot routing, from CoMaps' own map files
• comaps-maps — CoMaps' own map files for your map regions, checked against CoMaps' index
• country-boundaries — Natural Earth's world country borders, which let Navit's address search find towns
• dem-3dep — USGS 3DEP bare-earth elevation for your US map regions, when you choose it
• dem-copernicus — Copernicus GLO-30 elevation tiles for your map regions, verified
• dem-qmapshack — Hillshade, slope and 20 m contour lines for QMapShack, from the elevation tiles
• eia-860m — EIA's monthly inventory of US power plants (EIA-860M), for the infrastructure layers
• faa-nasr-airports — The FAA's airport, heliport and seaplane base list (NASR), for the infrastructure layers
• gdal-bin — GDAL's command-line tools for rasters and elevation data
• gps-tether — Your GPS position on 127.0.0.1 for QMapShack, the browser map and GeoClue, as a user service
• graphhopper — GraphHopper, the offline router behind the browser map's car, bike, foot and hiking routes
• graphhopper-graph — GraphHopper's route graph built from your own regions, for routes on the browser map
• mapsforge-map — Mapsforge vector maps of your OpenStreetMap regions, for phone map apps
• mapsforge-poi — Mapsforge points-of-interest files of your regions, for searching on a phone
• mkgmap — Builds Garmin-format maps from OpenStreetMap data
• mkgmap-splitter — Cuts OpenStreetMap data into tiles sized for mkgmap
• navit — Offline turn-by-turn navigation that follows the GPS, with spoken directions
• open-repeater — Open Repeater's CC0 list of amateur repeaters, for the repeater layer on the map
• opencpn — Marine chart plotter -- your position and AIS ships on nautical charts
• osm-garmin — Garmin maps of your OpenStreetMap regions, with trails, for QMapShack
• osm-navit — Navit's binary maps, converted from your OpenStreetMap regions, and its configuration
• osm-pmtiles — Vector-tile maps of your OpenStreetMap regions, for the offline browser map
• osm-regions — OpenStreetMap region extracts from Geofabrik, the regions you choose, verified
• osm-routino — One Routino routing database over all your regions, for routes on foot
• qmapshack — Offline topographic maps, trails, GPX tracks, elevation profiles and routing on foot
• repeaterbook-client — The unofficial repeaterbook Python client, App
• routino — Offline routing over OpenStreetMap data, on foot, by bike or by car
• socat (retired) — A relay between two data channels, sockets, files or programs
• usfs-fstopo — Forest Service FSTopo 7.5-minute sheets for your US map regions, with trail numbers
• usgs-ustopo — USGS US Topo 7.5-minute map sheets for your US map regions, verified
• ustopo-qmapshack — The US Topo sheets as one seamless QMapShack map, collars cropped
• vector-map-kit — The fixed files the offline browser map needs, from their publishers, pinned
• wri-power-plants — WRI's Global Power Plant Database, for the infrastructure layers outside the US

Locators & Bearings

Maidenhead grid squares, distance and bearing between two places.

• qgrid — Maidenhead grid square calculator with a map and a compass
• wwl — Distance and bearing between two Maidenhead locators, from the command line

Digital Modes & Morse

FT8 and the weak-signal modes, keyboard modes, NBEMS, digital voice, SSTV and amateur TV, EchoLink, CW.

FT8, JS8 & Weak Signal

WSJT-X and its family, JS8Call, QRSS: contacts at signal levels you cannot hear.

• glfer — QRSS and DFCW receiver for extremely slow narrowband CW on LF/MF
• gridtracker2 — Live map of FT8/JS8 activity, fed by WSJT-X and JS8Call
• js8call — Weak-signal keyboard-to-keyboard messaging built on the FT8 modem
• js8spotter — JS8Call's companion — spot tracking, forms, APRS and SMS gateways
• jtdx — WSJT-X derivative tuned for DX working and crowded FT8 conditions
• mshv — Multi-mode weak-signal application with multi-stream FT8 decoding
• wsjtx — Weak-signal digital modes — FT8, FT4, JT65, JT9, WSPR, Q65
• wsjtx-improved — Community fork of WSJT-X with additional decoding and UI features

PSK, RTTY & Keyboard Modes

Fldigi and the keyboard-to-keyboard modes: PSK31, RTTY, Olivia, MT63 and their accuracy checkers.

• comptext — Compares two text streams and scores how much of one arrived intact
• comptty — The same accuracy comparison as comptext, for Baudot RTTY streams
• fldigi — Multi-mode digital modem for PSK31, RTTY, Olivia, MT63 and more
• minimodem — General-purpose audio FSK modem — Bell 103, RTTY, AX.25 and anything else
• psk31lx — PSK31 in a terminal, with no desktop and no waterfall
• twpsk — PSK31 in an X11 window, the graphical companion to psk31lx

NBEMS Messaging

Forms, files and checksums over radio: flmsg, flamp, flwrap.

• comptext — Compares two text streams and scores how much of one arrived intact
• flamp — Sends files over radio in numbered blocks that can be filled in later
• fldigi — Multi-mode digital modem for PSK31, RTTY, Olivia, MT63 and more
• flmsg — Fills in and transmits the standard message forms EMCOMM runs on
• flwrap — Wraps a file with a checksum so the far end knows it arrived intact

Digital Voice

FreeDV over HF and decoders for the digital voice protocols heard on VHF and UHF.

• droidstar — M17, DMR, D-STAR, Fusion, P25 and NXDN over reflectors, with software vocoders and no radio
• dsdcc — Decodes digital voice protocols from demodulated audio
• freedv — Digital voice over HF in the bandwidth of an SSB signal

SSTV, Fax & Amateur TV

Pictures over radio: slow-scan television, weather fax, and analogue television transmission.

• hacktv — Generates and transmits analogue television — a HackRF as a TV station
• qsstv — Slow-scan television and radiofax — receive and transmit pictures
• xwefax — Receives HF weather fax and draws the chart

EchoLink & Repeaters

EchoLink clients, SvxLink repeater and node software, and their link and calibration tools.

• droidstar — M17, DMR, D-STAR, Fusion, P25 and NXDN over reflectors, with software vocoders and no radio
• qtel — EchoLink client — work repeaters and stations over the internet
• remotetrx — Puts an SvxLink receiver or transceiver at the end of a network link
• svxlink-calibration-tools — Sets the audio levels an SvxLink node needs to work properly
• svxlink-gpio — Lets SvxLink key a radio and read squelch through GPIO pins
• svxlink-server — Repeater controller and EchoLink node in software
• svxreflector — Conference server that links many SvxLink nodes into one talk group

CW (Morse)

Keying, decoding and sending Morse on the air, keyers and beacons.

• aldo — Morse trainer with four teaching methods, including Koch
• cw — Sounds text as Morse from the command line — the unixcw core tool
• cwcp — Curses Morse tutor — unixcw with a menu instead of a command line
• cwdaemon — Network service that keys a transmitter's Morse from a serial or parallel port
• cwwav — Turns text into a Morse audio file, from the command line
• ebook2cw — Converts a text file or ebook into Morse code audio at a chosen speed
• ebook2cwgui — Graphical front end for ebook2cw
• flwkey — Control panel for the Winkeyer hardware CW keyer
• ibp — Shows which NCDXF/IARU beacon is transmitting right now, on which band
• morse-classic — Text-to-Morse sounder and trainer, Eric Raymond's morse-classic
• morse-runner — CW contest simulator, the native Lazarus port of VE3NEA's Morse Runner
• morse2ascii — Decodes Morse out of a recorded WAV file
• qrq — High-speed Morse trainer that pushes your callsign copy to its limit
• tlf — Console contest logger built for speed, driven from the keyboard
• twclock — World clock for the operating position, with a CW station-ID timer
• wordsworth — Generate Morse practice text the Wordsworth way — words, not characters
• xcwcp — Qt Morse tutor that both sends practice and reads your keying
• xdemorse — Live Morse decoder with a GTK waterfall, from a sound card

Packet, Mesh & Emergency Comms

AX.25 packet, soundcard modems, nodes and BBS, Winlink, APRS, LoRa mesh and the EMCOMM stack.

Packet Terminals & AX.25

AX.25 configuration and the terminals you connect with once a port is up.

• ax25-apps — The programs you actually use over AX.25 once a port is up
• ax25-tools — Configures the kernel AX.25 stack — ports, interfaces, NET/ROM, Rose
• ax25-xtools — X11 versions of the AX.25 monitoring tools
• linpac — Terminal for AX.25 packet with a built-in mail client and macros
• paracon — Packet radio terminal that talks AGWPE to Direwolf, with no kernel AX.25
• qttermtcp — Packet terminal that connects over TCP to a BPQ node

Soundcard Modems & TNCs

Direwolf, QtSoundModem, ARDOP and the TNCs built into radios.

• ardopcf — HF data modem for Winlink and packet over poor paths
• baycomepp — Driver for the HB9JNX parallel-port packet modem
• baycomusb — Driver for the HB9JNX USB packet modem
• direwolf — Software TNC — turns a sound card into an APRS and packet modem
• freedata — HF messaging and file transfer over codec2 modems, with a browser interface
• mercury — Open HF data modem that speaks VARA's TCP interface, so pat uses it unchanged
• minimodem — General-purpose audio FSK modem — Bell 103, RTTY, AX.25 and anything else
• qtsoundmodem — Soundcard packet modem with a scope — an alternative to Direwolf
• tmd710-tncsetup — Configures the built-in TNC on Kenwood TM-D710 and TH-D72 radios
• z8530-utils2 (retired) — Configures Z8530-based HDLC cards for high-speed packet

Nodes, BBS & Gateways

BPQ32, URONode, FBB, packet mail and the routing that ties them together.

• ampr-ripd — Keeps a gateway's routes current on the amateur radio IP network
• aprsdigi — APRS digipeater — repeats packets so they reach further than one hop
• aprx — APRS digipeater and internet gateway, small enough for a Pi
• ax25mail-utils — Utilities for exchanging mail with an FBB packet BBS
• axmail — Mail reader that packet callers reach through a node
• fbb — The classic packet radio BBS and mailbox
• linbpq — BPQ32 packet-radio node, BBS and Winlink gateway
• uronode — Node front end that lets other stations reach services on your machine

Winlink Email

Radio email when the internet is down: pat, ARDOP, gateways.

• ardopcf — HF data modem for Winlink and packet over poor paths
• garim — Graphical ARIM messaging over an ARDOP TNC
• linbpq — BPQ32 packet-radio node, BBS and Winlink gateway
• mercury — Open HF data modem that speaks VARA's TCP interface, so pat uses it unchanged
• pat — Winlink client — radio email that works when the internet does not

APRS

Position reporting and messaging: clients with maps, digipeaters, iGates and pager bridges.

• a2d — Bridges APRS messages to DAPNET pagers
• aprsdigi — APRS digipeater — repeats packets so they reach further than one hop
• aprx — APRS digipeater and internet gateway, small enough for a Pi
• direwolf — Software TNC — turns a sound card into an APRS and packet modem
• qtbpqaprs — G8BPQ's Qt APRS client, the messaging-focused one
• xastir — APRS client with real maps — see and be seen on the packet network
• yaac — Yet Another APRS Client — the deep, portable Java one

LoRa Mesh

Meshtastic, MeshCore and Reticulum: off-grid text over LoRa.

• gtk-meshtastic-client — Desktop GUI for Meshtastic nodes
• lxmf — LXMF, Reticulum's message layer, and lxmd, its store-and-forward propagation daemon
• meshtasticd — Meshtastic node daemon for Linux, driving a LoRa radio on this machine's SPI/GPIO or a USB CH341 module
• nomadnet — Nomad Network, an encrypted messenger and page browser for the terminal, over Reticulum
• python3-meshtastic — Meshtastic command-line client and Python API
• rns — Reticulum, encrypted networking over any medium, with its shared instance and the RNode flasher

Emergency Comms

Net control, message forms, weather charts and the rest of the public-service stack.

• a2d — Bridges APRS messages to DAPNET pagers
• eia-860m — EIA's monthly inventory of US power plants (EIA-860M), for the infrastructure layers
• faa-nasr-airports — The FAA's airport, heliport and seaplane base list (NASR), for the infrastructure layers
• flamp — Sends files over radio in numbered blocks that can be filled in later
• flmsg — Fills in and transmits the standard message forms EMCOMM runs on
• flnet — Net control operator's list — who checked in, in what order
• flwrap — Wraps a file with a checksum so the far end knows it arrived intact
• freedata — HF messaging and file transfer over codec2 modems, with a browser interface
• garim — Graphical ARIM messaging over an ARDOP TNC
• ics-forms — FEMA's 39 fillable ICS forms, 205 radio communications plan and 213 general message among them
• js8spotter — JS8Call's companion — spot tracking, forms, APRS and SMS gateways
• svxlink-server — Repeater controller and EchoLink node in software
• wri-power-plants — WRI's Global Power Plant Database, for the infrastructure layers outside the US
• xygrib — Views GRIB weather files — wind, pressure, waves, on a map

Mail Clients

Desktop mail clients and PGP, carried for stations that move traffic by mail.

• claws-mail — The fast, plain-text-first mail client AHRL shipped
• evolution — GNOME's integrated mail, calendar and groupware client
• geary — The minimal, conversation-view mail client
• gpa — GNU Privacy Assistant — a GTK front end to GnuPG for signed and encrypted traffic
• thunderbird — Mozilla's full-featured mail client — the household name

SDR & Listening

SDR receivers and toolkits, device support, and receive-only decoders for aircraft, ships, broadcast, weather and pagers.

SDR Receivers & Transceivers

Gqrx, SDR++, CubicSDR, SDRangel, Quisk, Linrad: the programs a dongle turns into a radio.

• aethersdr — Linux client for FlexRadio transceivers
• cubicsdr — Cross-platform SDR receiver with several demodulators running at once
• cutesdr — Small demodulator and spectrum display for networked receivers
• gqrx-sdr — Graphical SDR receiver — waterfall, demodulators and a bookmark list
• linrad — SM5BSZ's DSP receiver — the deep-toolbox SDR for weak-signal work
• pihpsdr — Operator program for OpenHPSDR transceivers -- ANAN, Hermes Lite 2 and their kin
• quisk — SDR transceiver software with a real front panel, driving hardware or a dongle
• sdrangel — SDR transceiver and analyser that does several things at once
• sdrpp — SDR++ — cross-platform SDR receiver with a modular DSP chain
• supersdr — Turn any KiwiSDR into your rig's panadapter, synchronized over CAT
• wfview — Control a modern Icom radio, waterfall and all, over USB or the network

GNU Radio & DSP Toolkits

Build a radio out of blocks: GNU Radio and its hardware sources, DAB encoders and modulators.

• gnss-sdr — A complete GPS and GNSS receiver built entirely in software
• gnuradio — Build a radio out of signal-processing blocks instead of hardware
• gr-air-modes — Decodes aircraft transponder replies with GNU Radio
• gr-fosphor — GPU-drawn real-time spectrum and waterfall display blocks for GNU Radio
• gr-funcube — GNU Radio source blocks for the FUNcube Dongle Pro and Pro+
• gr-hpsdr — GNU Radio blocks for OpenHPSDR transceiver hardware
• gr-limesdr — GNU Radio blocks for LimeSDR hardware
• gr-osmosdr — One GNU Radio source block that speaks to nearly every SDR
• gr-satellites — Decoders for the telemetry of hundreds of amateur satellites
• odr-audioenc — Encodes audio into the DAB and DAB+ formats a multiplexer expects
• odr-dabmod — Turns a DAB ensemble into a transmittable OFDM signal
• odr-dabmux — Assembles audio services into a DAB ensemble multiplex
• odr-padenc — Encodes the text and images that ride alongside a DAB service

Signal Analysis & Identification

Look at a capture and work out what it is: inspectrum, the sigidwiki reference, RDS, frequency calibration.

• artemis — Signal identification reference — the sigidwiki database, offline
• gr-rds — Decodes the data carried alongside broadcast FM — station names, traffic
• inspectrum — Offline visualiser for captured radio signals — read a waveform by eye
• kalibrate-rtl — Measures an SDR dongle's frequency error against GSM base stations

SDR Device Support

Host tools, libraries, udev rules and SoapySDR modules for every supported receiver and transceiver.

• airspy — Host tools and library for Airspy R2 and Mini receivers
• airspyhf — Host tools and library for the Airspy HF+ HF and VHF receiver
• bladerf — Command-line tools for Nuand bladeRF transceivers
• gr-funcube — GNU Radio source blocks for the FUNcube Dongle Pro and Pro+
• gr-hpsdr — GNU Radio blocks for OpenHPSDR transceiver hardware
• gr-limesdr — GNU Radio blocks for LimeSDR hardware
• gr-osmosdr — One GNU Radio source block that speaks to nearly every SDR
• hackrf — Host tools for HackRF — transfer, sweep, spectrum and firmware utilities
• hydrasdr-host — Host library and command-line tools for the HydraSDR RFOne receiver
• langford-utils — Control programs for the Per Vices Noctar board
• libbladerf2 — Library and udev rules for Nuand bladeRF boards
• libfobos — Host library and command-line tools for the RigExpert Fobos SDR receiver
• libfobos-sdr-agile — Host library for RigExpert Fobos SDR boards running the "agile" firmware
• libiio-utils — Command-line tools that find and talk to IIO devices such as the PlutoSDR and ADALM2000
• libmirisdr4 — Open driver for Mirics-based receivers, including SDRplay RSP hardware
• limesuite — Host tools and library for LimeSDR hardware
• miri-sdr — Command-line tools for Mirics-based receivers
• osmo-sdr — Tools for the original OsmoSDR hardware
• qthid-fcd-controller — Sets frequency and gain on a FUNcube Dongle
• rtl-sdr — Host tools and library for RTL2832U-based receivers
• soapyremote-server — Serves a local SDR over the network to software on another machine
• soapysdr-module-airspy — SoapySDR driver module for Airspy hardware
• soapysdr-module-audio — SoapySDR driver module for sound-card SDRs and Airspy HF hardware
• soapysdr-module-bladerf — SoapySDR driver module for bladeRF hardware
• soapysdr-module-fobos — SoapySDR driver module for the RigExpert Fobos SDR
• soapysdr-module-hackrf — SoapySDR driver module for HackRF hardware
• soapysdr-module-hydrasdr — SoapySDR driver module for the HydraSDR RFOne
• soapysdr-module-lms7 — SoapySDR driver module for LimeSDR (LMS7002M) hardware
• soapysdr-module-mirisdr — SoapySDR driver module for Mirics hardware
• soapysdr-module-osmosdr — SoapySDR driver module for OsmoSDR and MiriSDR hardware
• soapysdr-module-plutosdr — SoapySDR driver module for the ADALM-Pluto
• soapysdr-module-redpitaya — SoapySDR driver module for Red Pitaya boards used as an SDR
• soapysdr-module-remote — The client half of SoapyRemote — uses an SDR served by another machine
• soapysdr-module-rfspace — SoapySDR driver module for RFSpace networked receivers
• soapysdr-module-rtlsdr — SoapySDR driver module for RTL-SDR hardware
• soapysdr-module-uhd — SoapySDR driver module for Ettus USRP hardware
• soapysdr-tools — Command-line tools for the SoapySDR hardware abstraction layer
• uhd-host — USRP Hardware Driver — host tools and firmware images for Ettus USRP radios
• uhd-soapysdr — Makes SoapySDR devices visible to software written for UHD

Broadcast Radio & DAB

DAB and DAB+ receivers and the data alongside broadcast FM.

• dablin — Lightweight DAB receiver for the command line or a small window
• gr-rds — Decodes the data carried alongside broadcast FM — station names, traffic
• nrsc5 — HD Radio (NRSC-5) receiver for an RTL-SDR -- the digital side of North American FM and AM
• odr-audioenc — Encodes audio into the DAB and DAB+ formats a multiplexer expects
• odr-dabmod — Turns a DAB ensemble into a transmittable OFDM signal
• odr-dabmux — Assembles audio services into a DAB ensemble multiplex
• odr-padenc — Encodes the text and images that ride alongside a DAB service
• welle-io — DAB and DAB+ digital radio receiver with a modern interface

Aircraft (ADS-B, ACARS, Airband)

Transponder and datalink decoders, multilateration feeders, airband voice.

• acarsdec — VHF ACARS decoder for aircraft datalink messages
• acarsserv — Stores what acarsdec and dumpvdl2 decode into a SQLite database
• dump1090-mutability — The older dump1090 fork, kept because two targets still carry it
• dump978-fa — Decoder for 978 MHz UAT, the second ADS-B link -- US general aviation below 18,000 ft
• dumphfdl — HFDL decoder for long-range oceanic aircraft datalink
• dumpvdl2 — VDL Mode 2 decoder for aircraft datalink
• gr-air-modes — Decodes aircraft transponder replies with GNU Radio
• libacars — Shared library that decodes ACARS application-layer messages
• mlat-client-adsbfi — Contributes ADS-B timing data so a network can locate aircraft by multilateration
• readsb — Efficient Mode S and ADS-B decoder — the maintained dump1090 successor
• rtlsdr-airband — Multi-channel AM/NFM voice receiver with streaming output
• tar1090 — The ADS-B aircraft map for readsb, served on this machine only, with no outside requests

Ships (AIS)

AIS receivers and decoders with maps of vessel traffic.

• ais-catcher — AIS receiver and decoder for marine vessel traffic, with a web map
• gnuais — Decodes AIS from the discriminator output of a VHF receiver
• gnuaisgui — Puts the vessels gnuais has heard on an OpenStreetMap display
• opencpn — Marine chart plotter -- your position and AIS ships on nautical charts
• rtl-ais — Receives both AIS channels at once from one cheap dongle

Weather, Sensors & Radiosondes

ISM-band sensors, weather balloons, weather fax and GRIB charts.

• radiosonde-auto-rx — Automatically receive, decode and map weather-balloon radiosondes
• rtl-433 — Decoder for the unlicensed ISM bands — weather stations, sensors, tyre monitors
• xwefax — Receives HF weather fax and draws the chart
• xygrib — Views GRIB weather files — wind, pressure, waves, on a map

Pagers & Audio Decoders

POCSAG, FLEX, DTMF and the other audio-band modes multimon reads.

• dsdcc — Decodes digital voice protocols from demodulated audio
• multimon — The original multimon decoder, kept for the modes its successor dropped
• multimon-ng — Decoder for POCSAG, FLEX, AFSK, DTMF and other audio-band digital modes

Satellites & Propagation

Satellite passes, satellite imagery and telemetry, HF propagation and the solar picture.

Satellite Tracking

Pass prediction and antenna and radio control for amateur and weather satellites.

• gpredict — Real-time satellite tracking and pass prediction, with radio control

Satellite Decoding & Imagery

Weather-satellite images and cubesat telemetry from a recording or a live receiver.

• gr-satellites — Decoders for the telemetry of hundreds of amateur satellites
• noaa-apt (retired) — Decoder for NOAA weather-satellite APT imagery
• satdump — Satellite data processing — receive, decode and image from weather and science satellites

HF & VHF Propagation

VOACAP predictions, terrain path analysis, beacons, grey line and the solar picture.

• hamclock-next — Maintained SDL2 rewrite of HamClock — grey line, propagation, DX cluster
• ibp — Shows which NCDXF/IARU beacon is transmitting right now, on which band
• openhamclock — Community continuation of HamClock as a browser dashboard — grey line, propagation, spots, satellites
• pythonprop — Graphical front end that makes VOACAP predictions readable
• signal-server — Multi-threaded radio coverage prediction from SPLAT! terrain, on the command line
• splat — Terrain-aware path analysis for VHF and above, from real elevation data
• splat-sdf — SPLAT! and Signal-Server terrain, made from your map regions' elevation
• sunclock — World map showing the day-night terminator and where the sun is now
• voacapl — The VOACAP HF propagation prediction engine, ported to Linux

Antennas, Bench & Programming

Antenna design and analysers, spectrum analysers, electronics, radio memories, flashers, serial terminals and drivers.

Antenna Design & Modelling

NEC2, Yagi and Moxon design, dish modelling, coil and line calculators.

• atlc — Computes impedance of a transmission line of any cross-section, from a picture of it
• cassbeam — Models Cassegrain dish antennas — the microwave and radio-astronomy case
• coil64 — Calculates inductance for coils of almost any geometry
• electronics-radio-dev — Metapackage pulling in the Blend's RF circuit-design tools
• fl-moxgen — Designs Moxon rectangle antennas and prints them to scale
• gsmc — Interactive Smith chart for designing impedance matching networks
• nec2c — The NEC2 antenna modelling engine as a C program, for scripting
• signal-server — Multi-threaded radio coverage prediction from SPLAT! terrain, on the command line
• splat — Terrain-aware path analysis for VHF and above, from real elevation data
• xnec2c — Interactive antenna modelling — NEC2 with a live graphical front end
• yagiuda — Analyse and optimise Yagi-Uda arrays without writing a NEC model

VNA & Antenna Analysers

NanoVNA and RigExpert analysers from the computer.

• antscope2 — RigExpert's own analyzer software, for their antenna analyzers
• flaa — Drives a RigExpert antenna analyser from the desktop
• librevna — The PC program for the LibreVNA, an open-hardware 6 GHz vector network analyser
• nanovna-saver — Sweep, chart and calibrate a NanoVNA from the computer

Spectrum Analysers

tinySA, Wi-Spy and the Ubertooth as a spectrum display.

• qttinysa — Desktop front end for the tinySA and tinySA Ultra spectrum analysers
• spectools — Spectrum display for MetaGeek Wi-Spy dongles and the Ubertooth One

Electronics & EDA

Circuit design, matching networks, lab instruments and the Blend's RF design tools.

• atlc — Computes impedance of a transmission line of any cross-section, from a picture of it
• coil64 — Calculates inductance for coils of almost any geometry
• electronics-radio-dev — Metapackage pulling in the Blend's RF circuit-design tools
• gsmc — Interactive Smith chart for designing impedance matching networks
• libiio-utils — Command-line tools that find and talk to IIO devices such as the PlutoSDR and ADALM2000
• librevna — The PC program for the LibreVNA, an open-hardware 6 GHz vector network analyser
• m2kcli — Command-line control of the ADALM2000 lab instrument
• tempest-for-eliza — Makes a monitor radiate music on an AM radio — a TEMPEST demonstration

Radio Memories (Codeplugs)

Writing channels and settings into a transceiver: CHIRP and the TNC built into Kenwood radios.

• chirp — Reads, edits and writes the memory channels of hundreds of radios
• dmrconfig — Command-line DMR codeplug tool — the text-file approach to the same job
• k5prog — Reads and writes a Quansheng UV-K5's memory, and flashes its firmware, over the programming cable
• qdmr — Codeplug editor for DMR handhelds — one codeplug, many radios
• radio-tool — Flashes firmware -- OpenRTX among it -- onto TYT, Baofeng, Radioddity and other DMR handhelds from Linux
• tmd710-tncsetup — Configures the built-in TNC on Kenwood TM-D710 and TH-D72 radios

DMR Codeplugs

Codeplug editors for DMR radios.

• dmrconfig — Command-line DMR codeplug tool — the text-file approach to the same job
• qdmr — Codeplug editor for DMR handhelds — one codeplug, many radios
• radio-tool — Flashes firmware -- OpenRTX among it -- onto TYT, Baofeng, Radioddity and other DMR handhelds from Linux

Flashers & Debuggers

AVR, ESP, STM32, FPGA and flash-chip programmers, DFU, JTAG and SWD.

• arduino-cli — Command-line toolchain for compiling and uploading Arduino-framework firmware
• avrdude — Reads and writes AVR microcontroller memories through almost any programmer
• dfu-util — Device Firmware Upgrade tool — flash devices that expose a standard DFU mode
• esptool — Flash and inspect ESP8266 and ESP32 chips over their serial bootloader
• flashrom — Reads, writes and verifies SPI, LPC and parallel flash chips in place
• k5prog — Reads and writes a Quansheng UV-K5's memory, and flashes its firmware, over the programming cable
• openfpgaloader — Universal bitstream loader for FPGAs, over JTAG and SPI
• openocd — On-chip debugging and in-system programming over JTAG and SWD
• stlink-tools — Flash and debug STM32 targets through an ST-Link probe
• stm32flash — Flash STM32 microcontrollers over their built-in serial bootloader

Serial Terminals

tio, minicom, picocom, PuTTY, CuteCom: talking to a radio or a board over a serial port.

• cutecom — A graphical serial terminal, Qt-native and simple
• minicom — Full-screen serial communication program, the one everyone already knows
• picocom — The minimal terminal-native serial console
• putty — The GUI serial terminal hams reach for, with saved sessions
• ser2net — Serve a serial port over TCP, so a rig's CAT port can be reached from another machine
• tio — Serial device terminal — the modern replacement for screen on a TTY

Device Support & Drivers

lsusb, lspci, packet-modem drivers and companions for devices that need one.

• baycomepp — Driver for the HB9JNX parallel-port packet modem
• baycomusb — Driver for the HB9JNX USB packet modem
• hammunition-tray — KDE Plasma tray switches for parking and waking radio devices — the Hammunition family's own
• hammunition-tray-qt — Tray switches for parking and waking radio devices on Xfce, LXQt, LXDE, MATE and Cinnamon — the Hammunition family's own
• pciutils — lspci — for the SDRs and capture cards that are not on USB
• qflipper — Desktop companion for the Flipper Zero — firmware, files, and CLI over USB
• qpwgraph — PipeWire patchbay -- see and change which program is connected to which sound card
• usbutils — lsusb — step one of every hardware problem in this catalog
• z8530-utils2 (retired) — Configures Z8530-based HDLC cards for high-speed packet

RF Security & Research

Wi-Fi, Bluetooth, cellular, RFID, sub-GHz, packet capture, and consent-gated research tooling.

Wi-Fi

Capture, handshake extraction and key recovery for Wi-Fi networks.

• aircrack-ng — Wi-Fi security auditing suite — capture, analysis and key recovery
• hcxdumptool — Wi-Fi frame capture aimed at producing hash files for offline analysis
• hcxtools — Converts captured Wi-Fi frames into hash formats analysis tools read
• kismet — Wireless network and device detector, sniffer and logger for Wi-Fi, Bluetooth and SDR sources
• skid-finder — Passive BLE-spam and Wi-Fi-attack detector with foxhunting, live alerts and a sensor-net collector

Bluetooth & BLE

Ubertooth sniffing and spectrum.

• kismet — Wireless network and device detector, sniffer and logger for Wi-Fi, Bluetooth and SDR sources
• skid-finder — Passive BLE-spam and Wi-Fi-attack detector with foxhunting, live alerts and a sensor-net collector
• spectools — Spectrum display for MetaGeek Wi-Spy dongles and the Ubertooth One
• ubertooth — Host tools for the Ubertooth One Bluetooth sniffer

Cellular & IMSI-Catcher Detection

Rayhunter, GSM analysis and dongle calibration against base stations.

• gr-gsm — GNU Radio blocks for receiving and analysing GSM signalling
• kalibrate-rtl — Measures an SDR dongle's frequency error against GSM base stations
• rayhunter — EFF's IMSI-catcher detector — the installer for a supported hotspot, and the offline capture analyser

RFID & NFC

Proxmark3, libnfc, MIFARE key recovery and smartcard reader checks.

• libfreefare-bin — Tools for MIFARE DESFire, Ultralight and Classic over libnfc
• libnfc-bin — Command-line tools for PN53x-based NFC readers
• mfcuk — MIFARE Classic key recovery with no known key — the slow path
• mfoc — Key recovery for MIFARE Classic cards with at least one known key
• pcsc-tools — Smartcard reader diagnostics — is the reader even working?
• proxmark3 — Client and firmware tooling for the Proxmark3 RFID and NFC research device

Sub-GHz, ISM & Remotes

The unlicensed bands: sensors, remotes, Flipper Zero, HackRF utilities.

• hackrf — Host tools for HackRF — transfer, sweep, spectrum and firmware utilities
• qflipper — Desktop companion for the Flipper Zero — firmware, files, and CLI over USB
• rtl-433 — Decoder for the unlicensed ISM bands — weather stations, sensors, tyre monitors

Packet Capture & Analysis

Capture traffic on any interface and decode it: Wireshark for the desktop, tcpdump for the terminal, two thousand protocols between them.

• kismet — Wireless network and device detector, sniffer and logger for Wi-Fi, Bluetooth and SDR sources
• skid-finder — Passive BLE-spam and Wi-Fi-attack detector with foxhunting, live alerts and a sensor-net collector
• tcpdump — Command-line packet capture — the tool that works when nothing else does
• wireshark — Protocol analyser — decodes captured traffic across two thousand protocols

RF Research (consent-gated)

Research tooling whose lawful use is jurisdiction-dependent; installed only through the consent-gated profile.

• gr-gsm — GNU Radio blocks for receiving and analysing GSM signalling
• hacktv — Generates and transmits analogue television — a HackRF as a TV station
• tempest-for-eliza — Makes a monitor radiate music on an AM radio — a TEMPEST demonstration

Learn & Practise

Licence exam practice, Morse training and reference material.

Licence Exams

Practice tests for the US, Canadian and commercial licence exams.

• canadian-ham-exam — Practice tests for the Canadian amateur radio qualification exams
• fccexam — Practice tests for the US FCC commercial radio licence exams
• hamexam — Practice tests for the United States amateur radio licence exams

Morse Training

Koch trainers, callsign drills, text-to-Morse converters and practice generators.

• aldo — Morse trainer with four teaching methods, including Koch
• cw — Sounds text as Morse from the command line — the unixcw core tool
• cwcp — Curses Morse tutor — unixcw with a menu instead of a command line
• cwwav — Turns text into a Morse audio file, from the command line
• ebook2cw — Converts a text file or ebook into Morse code audio at a chosen speed
• ebook2cwgui — Graphical front end for ebook2cw
• morse-classic — Text-to-Morse sounder and trainer, Eric Raymond's morse-classic
• morse-runner — CW contest simulator, the native Lazarus port of VE3NEA's Morse Runner
• qrq — High-speed Morse trainer that pushes your callsign copy to its limit
• wordsworth — Generate Morse practice text the Wordsworth way — words, not characters
• xcwcp — Qt Morse tutor that both sends practice and reads your keying

References & Guides

Offline reference material: Kiwix books, dictionaries, ICS forms, the sigidwiki signal database, callsign and DXCC data.

• artemis — Signal identification reference — the sigidwiki database, offline
• dictionaries — A local dictionary server with an English dictionary, a thesaurus, computing terms and acronyms
• goldendict-ng — A desktop dictionary that looks words up in dictd and in Kiwix books
• ics-forms — FEMA's 39 fillable ICS forms, 205 radio communications plan and 213 general message among them
• kiwix — The Kiwix desktop reader for offline Wikipedia and other ZIM books
• kiwix-library — The Kiwix books you chose -- Wikipedia, WikiMed, Stack Exchange -- pinned and verified
• kiwix-tools — Kiwix's command-line reader, server and library manager for offline ZIM books
• python3-pyhamtools — Python library for callsign lookup, locators and DXCC data

Workstation

The machine the station runs on.

Workstation

The machine the station runs on rather than the radio: editors, multiplexers, version control.

• arduino-cli — Command-line toolchain for compiling and uploading Arduino-framework firmware
• claws-mail — The fast, plain-text-first mail client AHRL shipped
• code — Microsoft's Visual Studio Code build — optional alternative to the VSCodium your distro ships
• codium — VSCodium — Microsoft's VS Code source, built without their telemetry or branding
• cutecom — A graphical serial terminal, Qt-native and simple
• dfu-util — Device Firmware Upgrade tool — flash devices that expose a standard DFU mode
• esptool — Flash and inspect ESP8266 and ESP32 chips over their serial bootloader
• evolution — GNOME's integrated mail, calendar and groupware client
• geary — The minimal, conversation-view mail client
• git — Distributed version control — the tool this project is distributed with
• gpa — GNU Privacy Assistant — a GTK front end to GnuPG for signed and encrypted traffic
• hammunition-console (retired) — A terminal front end for the engine -- install, station, logs and updates in one full-screen program
• pciutils — lspci — for the SDRs and capture cards that are not on USB
• picocom — The minimal terminal-native serial console
• pipx — Installs Python applications in their own environments, on the PATH
• putty — The GUI serial terminal hams reach for, with saved sessions
• screen — Terminal multiplexer, and the serial console of last resort
• tcpdump — Command-line packet capture — the tool that works when nothing else does
• thunderbird — Mozilla's full-featured mail client — the household name
• tmux — Terminal multiplexer for sessions that outlive the connection
• usbutils — lsusb — step one of every hardware problem in this catalog
• wireshark — Protocol analyser — decodes captured traffic across two thousand protocols