A high quality MP3 encoder
Boot macOS, Windows, and Linux on Mac or PC with UEFI or BIOS firmware
Open source disk encryption with strong security for the Paranoid
Free operating system for Atari computers, and more.
NES/Famicom emulator based on FCE Ultra.
AO RTOS is small real time OS based on Active Object concurrency model
SIMD macro assembler unified for ARM, MIPS, PPC and x86
Disk partitioning and data management for x86-compatible systems
Alternative operating system for x86 computers
UEFI fdisk is a disk partitionning tool running under UEFI/BIOS
A cute and educational x86 OS
C-BIOS is an open source BIOS for MSX computers.
A microkernel-based multiserver operating system written from scratch.
Indipendent distro uses inary package system. Sulin is roolling donkey
An open source filesystem library
OS bootable from Linux,Windows and others partitions as auxiliary OS