Portal:Free and open-source software/Operating systems

The following operating systems are released under free software licenses:

Mobile operating systems:
 * Android and forks:
 * GrapheneOS
 * CalyxOS
 * LineageOS
 * Replicant
 * /e/
 * Ubuntu Touch
 * PostmarketOS
 * Plasma Mobile
 * PureOS

Desktop and server operating systems:
 * Arch Linux
 * Chromium OS
 * Debian
 * DragonflyBSD
 * elementary OS
 * Fedora
 * FreeBSD
 * Fuchsia
 * Gentoo
 * Haiku
 * Kali Linux
 * Linux Mint
 * Manjaro
 * NetBSD
 * OpenBSD
 * openSUSE
 * Raspberry Pi OS (formerly Raspbian)
 * ReactOS
 * Red Hat Enterprise Linux
 * Slackware
 * TempleOS
 * Ubuntu
 * Ubuntu

Linux systems focusing on free software:


 * Dragora GNU/Linux-Libre
 * gNewSense
 * Guix System Distribution
 * Hyperbola GNU/Linux-libre
 * Parabola GNU/Linux-libre
 * PureOS
 * Trisquel