Generic Diagnostic Tool is an open source, free J2534 PassThru software tool for general purpose use of raw diagnostic protocols on an ECU. It can be used for diagnostics, reverse engineering, ...

Free OBD is a full-featured Android OBD-II diagnostic app that connects to ELM327 adapters via Bluetooth (Classic SPP + BLE) to read real-time vehicle data, diagnostic trouble codes (DTCs), freeze ...