openEMS is a free and open electromagnetic field solver using the FDTD method.

Icarus Verilog

TIGR - the TIny GRaphics library for Windows, macOS, Linux, iOS and Android.

tiny string formatting for C

Tiny C logging library

Ibex is a small 32 bit RISC-V CPU core, previously known as zero-riscy.

My eurorack modules

Python script to convert a side-by-side video to an anaglyph video

a language for fast, portable data-parallel computation

A very lame UI library for embedded systems.

Git extension: Makes git-diff work for VBA in Excel workbooks (xls* file types)

Synthesizer plug-in (previously released as Vember Audio Surge)

Yet Another MIDI Library in C

Open source STM32 MCU programming toolset

Firmware Analysis Tool

Verilator open-source SystemVerilog simulator and lint system

VUnit is a unit testing framework for VHDL/SystemVerilog

Cadence Virtuoso Git Integration written in SKILL++

Tiny, fast, non-dependent and fully loaded printf implementation for embedded systems. Extensive test suite passing.

Splint - annotation-assisted static program checker

BSD-licensed getopt implementation

minimal web server

Vim commands for Flutter, including hot-reload-on-save and more. 🦋

(RETIRED see https://github.com/analogdevicesinc/hdl instead) FPGA interface reference designs for Analog Devices mixed signal IC products

Python script for making anaglyph-3D maps from a DEM.

VHDL compiler and simulator

hexdump and reverse hexdump

A lightweight, embeddable software-defined radio framework built on LuaJIT