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PICSimLab is a realtime emulator for PIC, Arduino, STM32, ESP32, ...
AO RTOS is small real time OS based on Active Object concurrency model
An introduction to ARM64 assembly on Apple Silicon Macs
An replacement of DXForth's xplgraph.scr library for CP/M
Collection of macros and libraries in assembly
UART communications with data flow monitoring
Fixed point 16/32 integer FFT library for the Raspberry Pi and Android
Hypervisor R&D for recent x86 with support for DRTM + 2D paging