Divarius 

CAN bus database library: read and write DBC, read KCD and SYM, encode/decode messages with multiplexing, J1939 helpers, candump/PCAN log parsing, and CANopen support (EDS/DCF object dictionaries, PDO decoding,... More information

Command line for CanTools.Net: decode candump/PCAN logs against a CAN database and dump, list or convert DBC, KCD and SYM files. A C#/.NET port of the Python cantools CLI.