firmware_v4 - Arduino sketches and libraries for ATmega328p based Freematics ONE
firmware_v5 - Arduino sketches for ESP32 based Freematics ONE+
ESPRIT - Arduino library and example sketches for ESP32 development board Freematics Esprit and devkits based on it
libraries - Arduino libraries for ESP32 based Freematics ONE+ and Esprit
server - Freematics Hub server source code