standalone
adjective [ before noun ]
uk/ˈstændəˌləʊn/ us IT
standalone software or a standalone computer works on its own without being part of a set, or without being connected to other computers:
a standalone version of the software
a standalone device
FINANCE
a standalone company or organization manages its own activities and does not depend on a larger organization for money or approval:
a standalone business/company/operation
The Civil Aviation Authority said it expected BAA airport projects to be funded on a standalone basis.