Apps similar to MiniOS include Linux Mint, which is free and open source. Other options are Debian, Fedora, Zorin OS and openSUSE. There's no shortage of Operating Systems like MiniOS, with more than 25 alternatives for Linux, self-hosting, Windows and Mac.
Peppermint OS is a user-friendly operating system that prioritizes mobility, efficiency, and ease of use, allowing users to quickly connect, communicate, and complete tasks.
United States
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.
SparkyLinux is a Debian-based Linux distribution which provides ready to use, out of the box operating system with a set of slightly customized lightweight desktops.
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.
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
Edubuntu is an Ubuntu-based operating system that's designed for educational use in schools and other educational institutions.
United Kingdom
MenuetOS is an Operating System in development for the PC written entirely in 32/64 bit assembly language. Menuet64 is released under proprietary license and Menuet32 under GPL. Menuet supports 32/64 bit x86 assembly programming for smaller, faster and less resource hungry...
SUSE is the original provider of the enterprise Linux distribution and the most interoperable platform for mission-critical computing. It's the only Linux recommended by VMware, Microsoft and SAP. And it's supported on more hardware and software than any other enterprise...
Germany
EU
Ubuntu Budgie (previously budgie-remix) is an Ubuntu-based distribution featuring the Budgie desktop, originally developed by the Solus project. Written from scratch and integrating tightly with GNOME stack, Budgie focuses on simplicity and...
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.
