Boots into many systems and GRUB2 ones!
Easy, yet powerful, GNU/Linux distribution
GaryOS is an entire GNU/Linux system in a single bootable file
An ADL-mode rewrite of the ez80 CP/M 3.1 port
IIoT Gateway for interfacing industrial,home automation applications
amforth is an extendible interpreter on microcontrollers
PINN/NOOBS compatible linux distro of DreamPi for the Sega Dreamcast
freeRTOS for Arduino Uno, Goldilocks 1284p & Mega 2560
PINN/NOOBS linux distro of XBandPi (XBand modem)
A microkernel-based multiserver operating system written from scratch.
Portable Penetration Testing Operating System
NOOBS compatible distro image for wrapper around the XLink Kai Engine
The first OpenSolaris based distro (since June 2005)
The OpenSolaris source base (OpenSolaris-ONNV) maintained version
Message passing microkernel-based Operating System for ZX Spectrum +3e
UNIX/LINUX and legal homebrew software on the xbox360 gaming console
An operating system written in RTL