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Regarding software that's usable free-of-charge, what's the difference between freeware and free software that's often known as FOSS?

Freeware is software provided free of charge and is another word for open source software. FOSS software is proprietary.

Freeware is software provided free of charge, and can be open or closed source, while FOSS is free, open source software.

Explanation

Acquired Software

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