How to create an OS from scratch
Tools and Z80 engine for creating adventure games. (RUST)
My MSX programs and some additional .cas tools
Graphics mode console I/O for the TRS-80 Color Computer
VI editor for 6502 based systems
OS bootable from Linux,Windows and others partitions as auxiliary OS
RTOS for Secure, Safe and Real-Time Systems
A C Compiler/Editor for Retro 6809 Machines (Colour Computer/Dragon)
TED-chip music editor for Commodore Plus4, Commodore16 (and C64)
Object-oriented RAD framework for Turbo Pascal 7.0
Neptune is a kernel and operating system for x86 PCs.
A configurable memory patcher
The Arcrascent Operating System
Mayax is a 32-bit hobby OS with windows style GUI.
A hamradio beacon project on an AVR MCU
A new simple operating system