The original sources of MS-DOS 1.25, 2.0, and 4.0 for reference purposes

A cross-platform x86 assembler with an Intel-like syntax

The CORE-V CVA6 is a highly configurable, 6-stage RISC-V core for both application and embedded applications. Application class configurations are capable of booting Linux.

LUnix Next Generation - a Little Unix operating system for C64/128/Atari and any 6502-based machine