Fees are usually charged for distribution on compact discs and bootable USB drives, or for services of installing or maintaining the operation of free software. Development of large, commercially used free software is often funded by a combination of user donations, crowdfunding, corporate contributions, and tax money. The SELinux project at the United States National Security Agency is an example of a federally funded free software project.

Instant wins: When you collect a certain number of holiday treats to equal an instant win, the prize will be automatically added to your TopCashback account within 48-72 hours. Return each day to increase your chances for instant wins and gain more entries to the grand prize. There are thousands of instant wins in the form of some of our favorite holiday icons that range in value from $0.25 to $100 each.

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