
CHIRP
CHIRP Radio Programming Tool

CQRLOG
Advanced logging program for hamradio operators

CuteSdr
Spectrum display and demodulator of IQ radio data
D-RATS
D-STAR Communication Tool
D-RATS Map Downloader
D-RATS Map Downloader
D-RATS Repeater
D-RATS Repeater
Dire Wolf
APRS Soundcard TNC
ebook2cw
Converts ebooks to Morse MP3s/OGGs

fccexam
FCC Radio Examination trainer
flamp
Amateur Radio Communications

Flarq
Amateur Radio Data Transfer with ARQ

Fldigi
Amateur Radio Sound Card Communications
flmsg
Amateur Radio Communications
Flrig
Amateur Radio Communications
Flwrap
Amateur Radio Communications

FreeDV
Digital Voice mode for HF Radio
glfer
slow CW (QRSS) / dual-frequency CW (DFCW)

GNOME Predict
Satellite tracker
GTK Smith Chart Calculator
RF Impedance calculator

hamexam
Ham Radio Examination trainer
hamfax
Send and receive radio facsimiles

Linpsk
Psk31 and RTTY program for Linux

KLog
KDE Ham Radio logging program
nec2c
Antenna Modelling Software
PyQSO
Contact Logging Tool

qrq
High speed Morse telegraphy trainer

QSSTV
Qt-based slow-scan TV and fax
Qtel
The Qt EchoLink Client
qthid-2.2
limited support for devices with older firmware
qthid
full support for the Funcube Dongle API available with firmware 18f or later

Quisk
Audio IQ signal intermediate frequency receiver
TrustedQSL
Sign QSO data for upload to LoTW
Tucnak
VHF Contest Logger
twclock
World Clock and CW ID for Ham Radio Operators
twpsk
PSK31 for Linux with a openMotif GUI

wsjt
Weak Signal Ham Radio

wsjtx
Amateur Radio Weak Signal Operating

Xastir
Amateur Station Tracking and Reporting system for amateur radio
Xdx
DX-cluster client for amateur radio
Xlog
Amateur Radio logging program

GNU Radio Companion
Graphical tool for creating signal flow graphs and generating flow-graph source code with the GNU Radio framework

GPredict
Satellite tracker
Grig
Control your Ham Radio
Gqrx
Software defined radio receiver implemented using GNU Radio and the Qt GUI toolkit

gpsman
Graphical management of GPS data

gworldclock
See the time in other timezones
psk31lx
PSK31 for Linux with a ncurses interface

TQSL
Sign Amateur Radio log files

Message Aggregator
Amateur Radio Weak Signal Operating