dxOS is a WebOS that provides a full-fledged desktop operating system in a web environment. dxOS includes tools and services for the developer to simplify the creation of portable web applications in cross-platform compatible ECMAScript.
OnyxOS is a 32 bit protected mode operating written primarily in C with a small amount of ASM. It aims to be a small OS useful for learning low-level OS development and provides a base for other hobby OSes to grow from. It features a shell called Slosh.
ButterflyOS is a very simple operation system for the Atmel AVR Butterfly board. It's based on the AvrX multitasking scheduler, created by Larry Barello. A byte-code program for ButterflyOS, can be sent and managed through the serial interface.
The Isis OS Project Is a Controlled Project to Develop An Advanced Modern Operating System!
Reactos.pl is project aimed to provide complete polish distribution of ReactOS system.
The NeXT IRIX or maybe MacOSX. Eventually to be based on the open-source core of OSX, Darwin. Using the free implementation of OpenSTEP, GNUstep for its desktop and application environment, this WILL be the NeXT multimedia powerhouse.
Sakura is a Knowledge Navigator and User Interface for UNIX, which implements HyperMedia and its own windowing and packing system, both in the main program and in an extensive API for Tcl and other languages.
It's a new GNU/Linux distribution, based on Linux From Scratch, with focus on easy complete and non-redundand system administration made with a simple textual command-line interface and in the interoperability with Windows (Further with other OS).
Windows based server operating system
WINOS is a number of scripts that will try to emulate an operating system like Linux or Windows on the Web. As a user you will be able to do things as if you were working on your computer.
Simly image with intefrted ISPConfig in Germann and at next time intecration from Typo3 cms