| 7plus | Uuencode-like file coder for AMPR BBS S&F of binary files |
| chirp | Tool for programming Amateur Radio HTs |
| codec2 | Speech codec for between 700 and 3200 bit/s |
| cwtext | Morse Code Generator |
| direwolf | Software soundcard AX.25 packet modem/TNC and APRS encoder/decoder |
| dpbox | Multi-Protocol Amateur Packet Radio BBS |
| fl_logbook | FLTK-based amateur radio log book |
| fldigi | Digital radio modem |
| flxmlrpc | XmlRpc protocol written in C++ for fl*, ham emergency communications |
| freedv | FreeDV: HF Digital Voice for Radio Amateurs |
| gnuradio (V) | Collection of GNU Radio (meta package, easy to install whole thing) |
| gnuradio-channels | Signal processing blocks to simulate channel models of GNU Radio |
| gnuradio-companion | User interface entry of GNU Radio |
| gnuradio-core | Core part of GNU Radio, all others need this |
| gnuradio-digital | Digital related algorithms for GNU Radio |
| gnuradio-doxygen | Doxygen documentation of GNU Radio |
| gnuradio-dtv | Various digital television standards of GNU Radio |
| gnuradio-fec | Forward Error Correction blocks, utilities, & examples of GNU Radio |
| gnuradio-network | Network blocks for GNU Radio |
| gnuradio-pdu | Protocol Data Units for GNU Radio |
| gnuradio-qtgui | Qt GUI module of GNU Radio |
| gnuradio-soapy-sdr | GNU Radio bindings for SoapySDR |
| gnuradio-trellis | Trellis-based encoding and decoding algorithms for GNU Radio |
| gnuradio-uhd | Uhd-based encoding and decoding algorithms for GNU Radio |
| gnuradio-utils | Utilities in GNU Radio |
| gnuradio-video-sdl | SDL (Simple DirectMedia Layer) bindings for GNU Radio |
| gnuradio-vocoder | All available vocoders in GNU Radio |
| gnuradio-wavelet | Wavelet transform of GNU Radio |
| gnuradio-zeromq | All of the zeromq blocks, utilities, and examples |
| gpredict | Gnome satellite tracking program |
| gqrx | Open source software defined radio receiver |
| gr-osmosdr | SDR Hardware support for OsmoSDR and so many more |
| hackrf | HackRF, an open source SDR hardware platform |
| hamlib | API for digital communications equipment |
| kalibrate-hackrf | LO frequency offset calibration tool (hackrf fork) |
| kalibrate-rtl | LO frequency offset calibration tool (rtl-sdr fork) |
| libmirisdr | Osmocom Mirics MSi2500 + MSi001 SDR library |
| locator | Longitudes, latitudes to HAM locator converter |
| lpcnetfreedv | LPCNet library for use by FreeDV |
| mtrack (V) | Satellite tracking program for amateurs |
| nec2c | Numerical Electromagnetics Code in C |
| osmo-sdr | Small form-factor inexpensive SDR (Software Defined Radio) |
| predict | Curses satellite tracking/orbital prediction program |
| py-soapy-sdr | Python bindings for SoapySDR |
| rtl-sdr | Turns your Realtek RTL2832 based DVB dongle into a SDR receiver |
| soapy-sdr | Vendor and platform neutral SDR support library |
| tfkiss | Software implementation of TheFirmware for use with TNT |
| tlf | Advanced hamradio logging and contest program |
| tnt | Amateur packet radio terminal program for TNC2, AEA PK232 and PK88 |
| trustedQSL | TrustedQSL, uploading QSL Data to LoTW of ARRL |
| uhd | USRP (Universal Software Radio Peripheral) Hardware Drivers |
| wsjtx | Weak Signal Communication by Joe Talor (K1JT) |
| wwl | Calculates distance (qrb) |
| xdx | Amateur Radio tcp/ip DX-cluster client |
| xlog | Amateur Radio logging program |
| xnec2c | GTK+ graphical interactive version of nec2c |
| xnecview | Program for visualizing NEC input and output files |
| yaesu | Control interface for Yaesu FT-890 HF transceiver |
