Apostle
Spotlights the undertaking of developers seeking to create a well-designed alternative to existing operating systems.
Gemini Nucleus
Includes an information to create a production quality micro kernel based on the latest findings in operating system research. With FAQs, documentations, and contact details.
LinksOS
Shows an operating system created for the desktop and development usage. With downloadable links.
NewOS
Features a fully downloadable OS that was largely implemented in C/C++. Presents a list of objectives of its developers.
ReactOS
Features a ground-up implementation of a Microsoft Windows with its aim for a complete binary compatibility both in application and device drivers.