the main openbsd page

FreeBSD is an operating system used to power modern servers, desktops, and embedded platforms.

An innovative platform for hardware, clouds, and containers, built with love by you.

Red Hat is the world’s leading provider of open source solutions, using a community-powered approach to provide reliable and high-performing cloud, virtualization, storage, Linux, and middleware technologies. Red Hat also offers award-winning support, training, and consulting services. Red Hat is an S&P 500 company with more than 80 offices spanning the globe, empowering its customers’ businesses.

since 1983, developing the free unix style operating system gnu, so that computer users can have the freedom to share and improve the software they use.

The website of Gentoo, a flexible Linux distribution.

Join the world's most widely adopted, AI-powered developer platform where millions of developers, businesses, and the largest open source community build software that advances humanity.