Apps similar to NixOS include Linux Mint, which is free and open source. Other options are Ubuntu, Debian, Fedora and Arch Linux. Operating Systems like NixOS are a crowded field, with more than 100 alternatives for Linux, self-hosting, Mac, Windows and Chrome OS.
Bedrock Linux is a meta Linux distribution which allows users to utilize features from other, typically mutually exclusive distributions. Essentially, users can mix-and-match components as desired. For example, one could have:
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
GLF OS is a gaming-oriented live Linux distribution based on NixOS. Developed by a French-speaking community called Gaming Linux France (GLF), the distribution includes everything one would need for gaming on Linux, including Steam, Lutris, Heroic Games Launcher, as well as...
France
EU
NixBSD is an attempt to make a reproducible and declarable BSD, based on NixOS. Although theoretically much of this work could be copied to build other BSDs, all work thus far has been focused on building a FreeBSD distribution.
Trisquel is a computer operating system, a GNU + Linux distribution, derived from another distribution, Ubuntu, which is derived from Debian.
The unofficial successor of Antergos, RebornOS is an Arch-based distro that focuses on allowing the user to decide exactly how they want their system while making it easy for anyone to do so - both during installation and afterwards.
Bodhi Linux, a lightweight distribution featuring the fast & fully customizable Moksha Desktop (https://alternativeto.net/software/moksha/about/). The 64-bit is built on top of Ubuntu (20.04). The 32-bit Non-PAE architecture has a Ubuntu 18.04 base – Bodhi Linux 6.0.
SliTaz is a free operating system, working completely in RAM and booting from removable media such as a CD-ROM or USB key. SliTaz is distributed as a LiveCD, and weighs less than 40MB. The system is quick and responsive, clean and robust.
Switzerland
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.
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
pearOS is a linux distribution that aims for UI and UX, offering a mac like feeling, now even on older PCs. Why hackintosh when you can pearintosh?
RomaniaEU
BunsenLabs Linux is a distribution offering a light-weight and easily customizable Openbox desktop. The current release is Helium, built on top of Debian (stable). The project is a community continuation of CrunchBang Linux.
