PICSimLab is a realtime emulator for PIC, Arduino, STM32, ESP32, ...
Boot macOS, Windows, and Linux on Mac or PC with UEFI or BIOS firmware
Software development for 4Mb portable, using Z80 CPU and AA batteries
Z80 shared library including some nice test-projects
SIMD macro assembler unified for ARM, MIPS, PPC and x86
Contain GNU assembler source code tests for sk project
A label maker program for 3.5" floppy disks for the Amiga written
Run Linux on Windows or other OSes, natively.
TED-chip music editor for Commodore Plus4, Commodore16 (and C64)
Supporting 4op instruments, two effect columns and instrument macros.
A 65C02 Emulator for Microchip PIC24/33
Open Source HGWC's Encryption
e500v2 simulator
ACPU Emulation and Design
A new operating system for mobile, IOT, servers and desktops