Apps similar to Q4OS include Linux Mint, which is free and open source. Other options are Ubuntu, Debian, Fedora and Arch Linux. Operating Systems like Q4OS are a crowded field, with more than 100 alternatives for Linux, self-hosting, Mac, Windows and Chrome OS.
Debian-based Linux distribution with KDE Plasma 6, SDDM, Calamares installer, and major Breeze theme modifications. GPLv3+ licensed. High RAM required for Plasma, with LXQt lite fork available for less powerful hardware and lower memory usage.
India
Software for humans of indeterminate age. We don't know how old you are. We don't want to know. We are legally required to ask. We won't.
United States
ALT Linux is a set of RPM-based, APT-managed operating systems built on top of the Linux kernel and Sisyphus package repository branches. ALT Linux Rescue is, well, the disaster recovery tool.
Russia
100% Fedora-compatible Linux distribution with stable updates, open-source packages, out-of-the-box tweaks, and enhanced setup for developers and everyday users, streamlining software creation, packaging, and immediate usability across all experience levels.
A purely functional package manager and an advanced distribution of the GNU operating system developed by the GNU Project—which respects the freedom of computer users.
Germany
EU
Endless OS is a Linux-based operating system which provides a simplified and streamlined user experience using a customized desktop environment forked from GNOME 3. Rather than using a traditional Linux package management system, Endless OS uses a read-only root file system...
United States
AnduinOS is a custom Ubuntu-based Linux distribution that aims to facilitate developers transitioning from Windows to Linux by maintaining familiar operational habits and workflows.
China
antiX is a fast, lightweight and easy to install systemd-free Linux live CD distribution based on Debian Stable for Intel-AMD x86 compatible systems.
Ubuntu Kylin is an official Ubuntu subproject whose goal is to create a variant of Ubuntu that is more suitable for Chinese users using the Simplified Chinese writing system.
China
MINIX is a POSIX-compliant Unix-like operating system based on a tiny microkernel running in kernel mode with the rest of the operating system running as a number of isolated, protected, processes in user mode.
NetherlandsEU
