A Wiring Library to produce square wave tones on arbitrary pins.

NextZ80

This kids' homework desk has top that flips up to reveal a space-themed control panel.

Library for audio processing and synthesis

Command line tools to work with MIDI files

Cakewalk to Standard MIDI Files Command Line Utility Translator (mirror)

A MIDI Compiler - convert SMF MIDI files to and from plain text

Simple 32 button game controller (button box) sketch for Arduino Micro (ATmega32u4 5V 16MHZ compatible)

Audio Jack Modem Library for Arduino

A lightweight LLVM python binding for writing JIT compilers

AudioLDM: Generate speech, sound effects, music and beyond, with text.

A Simple SVG Library in C

A barebones single-header GUI library for Win32, X11 and Essence.

🎮 Simple, open-source 2D graphics for everyone

A lightweight ANSI C imgui toolkit

A lightweight ANSI C imgui toolkit

A micro Graphical User interface (GUI) library; platform independent, written in C

Framebuffer UI (fbui) in-kernel Linux windowing system.

extremely light framebuffer "gui" library

Portable, real time, modular and data-driven GUI C++ library.

Tool to convert C99 code to MSVC-compatible C89

INI file reader and writer

ZuluIDE emulates a parallel ATA ATAPI CD-ROM drive, or parallel ATA Zip/Removable (read and write) media

Computer Graphics Metafile

A Haiku Vector Icon Format library for Haskell

IconVG is a compact, binary format for simple vector graphics: icons, logos, glyphs and emoji.

Public malware techniques used in the wild: Virtual Machine, Emulation, Debuggers, Sandbox detection.

Raspberry Pi Pico (RP2040) playground

The penultimate portable graphics library

Code, Scripts and Makefiles for using the EPSON/TASKING S1C88 C compiler for Pokemon Mini Homebrew