A framework + installer to (very) quickly install Windows 98 on anything from a 486 up to a modern system

fvwm95, ported to work on modern distributions such as Debian, Ubuntu, and Arch.

FPGA Sound Blaster over LPC bus experiments

Emulation of ISA sound cards and CD-ROM on Raspberry Pi Pico (GUS, SB/Adlib, MPU-401, Tandy, CMS, Panasonic CD-ROM) with USB mouse/joystick support

Adapting USB devices to work on old computers

CRT simulation without shaders... the slow way