The chaac directory has python files related to chaac packets and processing.
The chaac_frontend is a flask project with the web ui for Chaac. It displays the current weather as well as plots historical data
The chaac_logger takes care of receiving the serial data from the xbee radio, decoding, and saving it into the database.
The scripts directory has various useful (and in development) scripts.
The serial_packet directory has python files related to serial packets (one layer below the chaac packets).