Free and open-source software

Free and open source software (for short: FOSS, means free software and/or open source software) is software whose source code is open and available to anyone who wishes to:

• improve it,
• study it,
• modify it, and
• share the original and the modifications with others.

These additional rights are generally granted to the user through the GPL, LGPL, or BSD license.

• Free software
• Open source
• Free software movement
• Free Software Foundation
• Linux
• GNU

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