Software that is not free software or semi-free software (the same thing as free software except that it can only be used for non-profit things).
Windows is an example of proprietary software.
von a thing 11. Juni 2005

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Top Definition
Proprietary software is software that you are not free to use, copy, modify, and study as you like. It's a form of abuse of users, which sucks and makes people depressed; it gives suits power over creatives.
Skype is extremely proprietary software.
von your real name! 29. Juni 2009

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Something said to be evil, yet nobody knows why.
Software developed by Microsoft is proprietary software, so it's evil.
von Ferreira 23. November 2008

The Urban Dictionary Mug

Lotsa space for your liquids.

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The Urban Dictionary Mug

Lotsa space for your liquids.

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The Urban Dictionary Mug

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The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

Buy the mug

The Urban Dictionary T-Shirt

Soft and offensive. Just like you.

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The Urban Dictionary T-Shirt

Smooth, soft, slim fit American Apparel shirt. Custom printed. 100% fine jersey cotton, except for heather grey (90% cotton).

Buy the t-shirt
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