Calculate Linux is based on Gentoo that is well known for its stability and great performance on a broad range of hardware: from Pentium Pro to modern CPUs.
macOS Alternatives
macOS is described as 'Unix-based operating system for Macs, excels with an intuitive UI, robust built-in apps like Safari, and strong security via FileVault, Gatekeeper, and SIP' and is a leading operating system in the os & utilities category. There are more than 100 alternatives to macOS for a variety of platforms, including Linux, Self-Hosted, BSD, Mac and Windows apps. The best macOS alternative is Ubuntu, which is both free and Open Source. Other great apps like macOS are Linux Mint, elementary OS, Debian and Fedora.
Alternatives list
CRUX is a lightweight GNU/Linux distribution for the x86-64 architecture targeted at experienced users. The primary focus of this distribution is keep it simple, which is reflected in a straightforward tar.



The Freespire Operating System is the open source and free as in beer release of the commercial Linspire operating system.

Elive provides a dynamic and clean interface without saturating the look. Nothing in the desktop is static. Simplicity and intuitive is one of its best points.


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- 51 Kaisen Linux alternatives
Kaisen Linux is a distribution for IT professional based on the Debian GNU/Linux distribution. It is a complete operating system whose originality is to provide a set of tools dedicated to system administration and covering all the needs for diagnosing and dealing with faults or...


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CrunchBang++ is an open source and completely free [of cost (#!++ does include several of Debian’s non-free packages as well as the non-free repository)] computer operating system, designed as a continuation of the .


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Spatry's remix of Manjaro Linux! It comes with the XFCE desktop, lots of themes and a complete software set designed to give you an enjoyable user experience.
Cost / License
- Free
- Open Source
Platforms
- Linux
- Arch Linux
- Manjaro Linux


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The Zeal Operating System is a modernized, professional fork of the 64-bit Temple Operating System. Guiding principles of development include transparency, full user control, and adherence to public-domain/open-source implementations.



Hanthana is a Linux based operating system and a Fedora remix suitable for desktop and laptop users. Hanthana comes to you in the form of a Live CD for regular PC (i686 architecture) systems.



Springdale Linux (SDL) / Formerly known as PUIAS Linux is a RHEL-based Distribution and Mirror. A project of members of the computing staff of ?Princeton University and the ?Institute for Advanced...





































