proprietary software

Popular Terms
Computer programs that are exclusive property of their developers or publishers, and cannot be copied or distributed without complying with their licensing agreements. Almost all commercial (shrinkwrapped) software is proprietary, but many excellent new programs (such as Apache web server, Linux operating system, and StarOffice office suite) are non-proprietary (and free).

Use 'proprietary software' in a Sentence

I could not touch the proprietary software because it was not mine and I would get in trouble if I tampered with it.
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Proprietary software often locks you into a hard to terminate relationship with a parasitic vendor whose support evaporates mere minutes after you've signed the purchase order.
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You should try and get the best proprietary software you can so that your business is one step ahead of the competition.
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