Columba

Hiking, blackouts or network shutdowns leave even great phones unable to send a message. Columba is a native Android messaging app over LXMF and Reticulum.

It sends via Bluetooth LE, TCP or LoRa radios in a mesh, independent of carriers and the internet, with privacy built in.

Features

Off-grid:No carrier.

Links:BLE, TCP, LoRa.

Mesh:Relaying.

Privacy:Encrypted.