2.11BSD-based Unix-like OS for STM32 and PIC32 Microcontrollers
A UNIX-like kernel for the i386 architecture
Fork of the 64-bit Temple Operating System, TempleOS
An operating system based on the best Windows NT design principles
A lightweight flavor of Linux based on Fedora
A bleeding-edge, security-centric Arch-based Linux distribution.
A unique Ubuntu-based Linux OS with its own desktop and ecosystem.
Educational Linux Distribution
CodeCampus is a learning-first Linux OS for CSE and IT students
YiYiYa
Onix
A microkernel-based multiserver operating system written from scratch.
A UNIX-style Operating System for the Waikato RISC Architecture
An operating system inspired by brutalist design
A distributed operating system
A microkernel-based hackable operating system
An operating system written in C
Message passing microkernel-based Operating System for ZX Spectrum +3e
AquilaOS: UNIX-like Operating System
The extensible bootloader for embedded system
Free yourself
A multiplatform, DOS-like operating system
x9wm Linux - 32/64bit Intel Debian Stable w/ x9wm