Ubuntu is a community developed operating system that is perfect for laptops, desktops and servers. Ubuntu is and always will be free of charge. You do not pay any licensing fees. You can download, use and share Ubuntu with your friends, family, school or business for absolutely nothing.
The Debian Project is an association of individuals who have made common cause to create a free operating system. This operating system that we have created is called Debian GNU/Linux, or simply Debian for short. Debian is produced by more than a thousand active developers spread around the world who volunteer in their spare time.
FreeBSD® is an Open Source project and advanced operating system for amd64 (x86_64), ARM® 32-bit and 64-bit (ARMv6, ARMv7, ARMv8 (aarch64)), RISC-V & PowerPC architectures. It is derived from BSD, the version of UNIX® developed at the University of California, Berkeley.
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