There are 1 repository under car2x topic.
ETSI ITS G5 GeoNetworking stack, in Java: CAM-DENM / ASN.1 PER / BTP / GeoNetworking
C-ITS ITS-S reference implementation focused on a security meant for testing and studying of TeskaLabs SeaCat CA API
Simulation of an emergency breaking scenario in Car2x written in Flutter