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.
BITS-PyOS Alternatives
BITS-PyOS is described as 'BIOS-Implementation-Test-Suite-Based Python Operating System' and is a operating system in the development category. There are more than 100 alternatives to BITS-PyOS for a variety of platforms, including Linux, Self-Hosted, BSD, Mac and Windows apps. The best BITS-PyOS alternative is Linux Mint, which is both free and Open Source. Other great apps like BITS-PyOS are Ubuntu, Debian, Fedora and Arch Linux.
Alternatives list
Lunar Linux is a source based Linux distribution. It is built entirely by compiling source code, using custom optimizations.
Cost / License
- Free
- Open Source
Application types
Alerts
- Discontinued
Platforms
- Linux
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.



Superb Mini Server (SMS) is a Slackware-based server distribution with web, DNS, DHCP, file, print and fax servers, iptables firewall, mail server with spam filter and anti-virus scanner, and BitTorrent station.



Cost / License
- Free
- Open Source
Application types
Alerts
- Discontinued
Platforms
- Linux



BLAG is a single-cd distro with everything desktop users "expect" from a desktop, plus a collection of nice server apps.
Cost / License
- Free
- Open Source
Application types
Alerts
- Discontinued
Platforms
- Linux



Cost / License
- Free
- Open Source
Application types
Alerts
- Discontinued
Platforms
- Linux


Mabox Linux is based on Manjaro, featuring a customized Openbox window manager preconfigured to be ready to use.
Cost / License
- Free
- Open Source
Application types
Platforms
- Linux
- Manjaro Linux


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Frugalware Linux is an independently developed general purpose desktop Linux distribution designed for intermediate users. It follows simple Slackware -like design concepts and includes the .

RetroBSD is a port of 2.11BSD Unix intended for embedded systems with fixed memory mapping. The current target is Microchip PIC32 microcontroller with 128 kbytes of RAM and 512 kbytes of Flash.
Sourcemage is a source-based GNU/Linux distribution based on a Sorcery metaphor of 'casting' and 'dispelling' programs, which we refer to as 'spells'.



Darwin is the Open Source operating system from Apple that forms the basis for Mac OS X, and PureDarwin is a community project to make Darwin more usable (some people think of it as the informal successor to OpenDarwin.






































