C-BIOS is an open source BIOS for MSX computers.
A high quality MP3 encoder
An operating system based on the best Windows NT design principles
Open source disk encryption with strong security for the Paranoid
Building and running ancient Linux on Windows
Boot macOS, Windows, and Linux on Mac or PC with UEFI or BIOS firmware
Javier Gutiérrez Chamorro (Guti) Open source projects
The Open On-Chip Debugger
Version 2 of the myFocuser Project
Free operating system for Atari computers, and more.
An USB programmer for PIC, dsPIC, AVR, serial memories
Arduino Focuser, fully ASCOM complaint
Transfer disks and disk images between the Apple II and the real world
Disk partitioning and data management for x86-compatible systems
Software development for 4Mb portable, using Z80 CPU and AA batteries
Universal server
UEFI fdisk is a disk partitionning tool running under UEFI/BIOS
Alternative operating system for x86 computers
SIMD macro assembler unified for ARM, MIPS, PPC and x86