Detailed license files are included under the GameData directory.  This file provides a summary of what falls under what license:

- Contract Configurator (ContractConfigurator.dll) is licensed under the MIT License.
- SCANsat integration (CC_SCANsat.dll) is licensed under the MIT License.
- RemoteTech integration (CC_RemoteTech.dll) is licensed under GNU GPL v2.0.
- Everything else not specified here falls under the main Contract Configurator license (MIT).