The best free alternative to openmamba is Arch Linux, which is also Open Source. If that doesn't suit you, our users have ranked more than 100 alternatives to openmamba and loads of them is free so hopefully you can find a suitable replacement. Other interesting free alternatives to openmamba are Tails, Zorin OS, elementary OS and Qubes OS.
Arch Linux is an independently developed, x86_64 optimized GNU/Linux distribution targeted at competent Linux users. It uses pacman, its home-grown package manager, to provide updates to the latest software applications with full dependency tracking.
Tails is a Debian based live CD/USB with the goal of providing complete Internet anonymity for the user.
Linux-based OS designed for familiar user experience, mimicking Windows or macOS, supports dual-boot, runs Windows apps via WINE, pre-installed essential software, customizable desktop layouts, broad hardware compatibility, and privacy-focused updates.
elementary OS is a free, fast and aesthetically pleasing operating system based on Ubuntu .
Qubes is an open source operating system designed to provide strong security for desktop computing.
NixOS is a GNU/Linux distribution that aims to improve the state of the art in system configuration management. In existing distributions, actions such as upgrades are dangerous: upgrading a package can cause other packages to break, upgrading an entire system is much less...
Raspberry Pi OS (previously called Raspbian) is the Foundation’s official supported operating system. You can install it with NOOBS or download the image below and follow our installation guide.
Haiku is an open-source operating system that specifically targets personal computing. Inspired by the BeOS, Haiku is fast, simple to use, easy to learn and yet very powerful.
Ubuntu Mate is a stable, easy-to-use operating system with a configurable desktop environment. Ideal for those who want the most out of their desktops, laptops and netbooks and prefer a traditional desktop metaphor.
Solus Operating System is a Linux distribution built from scratch, exclusively for desktop systems. There is no scope-creep associated with generic platforms, and the project aims to provide a modern and focused desktop-centric solution, that is designed to keep out of the way...
Google Chrome OS is a Linux-based operating system designed by Google that uses the Google Chrome web browser as its principal user interface, so it works primarily with web applications.
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