Example firmware for the Nokia 3310 M17 replacement board.

GNU Radio M17 protocol implementation

M17 C library

LinHT - Linux-based, SDR handheld transceiver.

Open source firmware for NiceRF SA8x8 allowing arbitrary digital radio protocols

Tools for the M17 ham radio mode, including a Go library, network gateway and clients.

Standalone M17 Project Voice and Data Packet Encoder and Decoder

Open source speech codec designed for communications quality speech between 700 and 3200 bit/s. The main application is low bandwidth HF/VHF digital radio.

Small portable AES128/192/256 in C

M17 modem board for 9600-baud capable radios

M17 standard specification

Modular Open Source Radio Firmware

The M17 Reflector, up to 26 modules (channels) handling both Stream and Packet modes.

An M17 voice application for ham radio, best with a USB headset on a Debian/Ubuntu desktop. Most single board computer work fine.