Complementary proprietary components and the policy-based management system are produced (ref.

Sun stated that it planned to replace the remaining proprietary components with alternative implementations and to make the class library completely free.

Chassis and engines made by the company were often supplied to other factories as proprietary components.

This is the fully featured package, excluding some proprietary components not available under GPLv2.

This removed the same proprietary components not available under GPLv2.

Limited space, limited access and proprietary components make silencing laptops more difficult.

RTS2 was from the beginning designed as a completely open source system, without any proprietary components.

Since it contains proprietary components, the source is not free.

Without knowing the identity of the proprietary components, regulators cannot test for their presence.

Additional proprietary components have been re-released as free software since then.