Fusion OS is a Open Source Operating System, mainly licensed under the MPL 1.1. Parts of it are licensed upder the GNU GPL or other open source licenses. Fusion OS is based on the ReactOS project, and we contribute any bugs found in ReactOS back to them
A new advanced customizable graphic menu multi boot and OS loader based on XOSL project with gujin project features, this project integrate too a mini OS to provide certain customizable specialized maintenance tasks before boot partition/load OS target.
An operating system kernel being developed in Free Pascal with the goal of creating a system based on process interoperation.
Irisde is a Linux version easy to use, offering all the flexibility of the GNU License and the Unix Systems.
Linux.NET Framework is a developmental linux operating system that has native Oracle, SQL, and Development compiled on a secure platform for all end users.
Pascal Operating System, That will translate Freedos to Pascal --OSPine written in Turbo Pascal and NASM. I think now I will make all that useful before I release. Thank for Feedback (^_^)
Customize Kernel 64-Bit Operating System
An Open Source Solution usable instead of Microsoft Windows. The ck64os enables server operating system tasks but is downgradable to an End-User software distribution for Tablet-PCs. It's Microsoft Windows application programming interface compability bases on incorporated virtualization layers.