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A linux distro based on Arch for programmers and hackers
The CK 64-Bit Kernel Operating System
One of the worst possible derivatives of Ubuntu for GUI lovers.
partitioning backup recovery and all kind of boot loaders1 weekly downloads
A minimal Debian based Linux system2 weekly downloads
Kedu is a KDE-based Linux Operating System for education.
Customize Kernel 64-Bit Operating System
TAMULinux - reviving TAMU one of the original linux distributions! TAMULinux is primarily developed by Aggies at Texas A&M with the Texas A&M Unix & Linux Users Group
The XTORM Project is a GNU/Linux based distribution. It's borning 12/06/2009, this description and the website will be up as soon as the developer can.
FoxyLinux is a Linux based operating system that is extremely user-friendly. With its simple to use interface, right from the start, FoxyLinux requires no technical knowledge to configure complex operating system settings.
Currently the RozLinux project is a set of deb packages for Ubuntu Linux distribution (10.04). These deb packages are mostly a theme packages, which transforms Ubuntu's default look into 'Rozbrat' theme. Visit http://rozlinux.sourceforge.net/
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FreeOS/1 is a Free, Open Source, FreeDOS based Free and Open Source Alternative OS, with open source Microsoft Windows compatibility using HXDOSExtender KernelEx,and ReactOS source code. FreeOS/1 will include new technologies and will be easy to use1 weekly downloads
BNL OS is a free, modern operating system based on the design of Windows XP/2003.This is not a Linux based system, and shares none of the unix architecture. Please remember, this is in the development stage, and is not reccommended for everyday use.
IdyllaOS is simple operating system. System is based on monolithic kernel with drivers of devices loaded as kernel modules. As required for a modern operating system, it supports features like virtual memory, memory protection and multitasking.1 weekly downloads
Syllable Desktop is a complete operating system that is easy to use, powerful, lightweight and extraordinarily fast and responsive. It has its own kernel, filesystem, GUI and applications. Syllable Server is a matching small and efficient Linux server.89 weekly downloads
Firmware for home-made robots2 weekly downloads
Infortus is a hobby OS. It's written in C and Assembly.
Znubix OS is an operating system built from the ground up to provide the most security and stability possible.
A x86 hobbyist operating system written in C and assembly.
Unix-like operating system for the TI-89 and TI-92+ graphing calculators.
Haiku is an open-source operating system currently in development designed from the ground up for desktop computing.31 weekly downloads
MightyOS is a serious attempt at making a fast and lightweight Operating System written in C++.