| Port | Description |
|---|
| amtterm | client and tools for Intel AMT serial-over-lan |
| birda | Bohlin's IrDA utilities |
| bottlerocket | X.10 firecracker interface |
| c3270 | curses-based 3270 terminal editor |
| cc2538-bsl | boot-loader flash tool for TI CC2538, CC26xx, CC13xx |
| chirp | tool to programme a wide range of amateur radios |
| colrdx | curses DX cluster watcher |
| conserver | manage remote serial consoles via TCP/IP |
| dfu-util | device firmware update (DFU) USB programmer |
| dump1090 | simple ADS-B Mode-S decoder for RTLSDR devices |
| ebook2cw | convert ebooks to CW (Morse code) |
| ebook2cwgui | GUI for ebook2cw |
| efax | small & simple FAX send/receive program |
| ems-flasher | utility to flash EMS 64 Mbit USB Game Boy cartridge |
| fldigi | soundcard-based software modem for Amateur Radio use |
| flipit | x10 firecracker utility |
| gammu | Gnu All Mobile Management Utilities |
| gnuradio | signal-processing toolkit for SDR (software-defined radio) |
| gpsk31 | gtk PSK31 send and receive |
| hackrf | host software for the HackRF One SDR |
| hamlib | radio/rotator control library |
| hylafax | send/receive faxes and share modems |
| kermit | serial and network communications package |
| lcdproc | interface to various LCD displays |
| libhidapi | library for communicating with USB and Bluetooth HID devices |
| lrzsz | receive/send files via X/Y/ZMODEM protocol |
| mgetty+sendfax | handle external logins, send and receive faxes |
| minicom | MS-DOS Telix-like serial communication program |
| minimodem | general-purpose software audio FSK modem |
| owx | tool for programming Wouxun transcievers |
| p5-Device-Gsm | Perl extension to interface GSM cellulars / modems |
| p5-Device-Modem | talk to modem devices connected via serial port |
| p5-Device-SerialPort | talk to modem devices connected via serial port |
| p5-SendPage | SNPP, TAP, email notification application |
| picocom | minimal dumb-terminal emulation program |
| pterm | terminal to access the PLATO system |
| py-dmr_utils3 | utilities for Digital Mobile Radio (DMR) in Python |
| py-gammu | python bindings for Gammu |
| py-serial-asyncio | async I/O extension for pyserial |
| qodem | Qodem Terminal Emulator |
| qpage | SNPP client/server (alphanum pager software) |
| qrq | high speed Morse code telegraphy trainer |
| rtl-sdr | software to turn RTL2832U into an SDR |
| rtl_433 | data receiver for rtl-sdr devices |
| scmxx | data exchange utility for Siemens mobile phones |
| smstools | gateway to send and receive SMS through GSM mobile phones |
| spisniffer | Bus Pirate binary mode SPI sniffer |
| sredird | RFC 2217 compliant serial port redirector |
| syncterm | BBS terminal program |
| tkhylafax | Tcl/Tk interface to Sam Leffler's fax package |
| tlf | radio contest logger |
| wy60 | curses-based emulator for the Wyse 60 terminal |
| x3270 | IBM 3270 terminal emulator for the X Window System |
| xastir | X amateur station tracking and info reporting |
| xdx | X DX cluster watcher |
| xlog | logbook program for amateur radio operators |
| zigbee2mqtt | Zigbee to MQTT bridge |
| zmtx-zmrx | receive/send files via ZMODEM protocol (unrestricted) |