The C based gRPC (C++, Python, Ruby, Objective-C, PHP, C#)

OpenSCAD - The Programmers Solid 3D CAD Modeller

Controlling up to three chains of 64x64, 32x32, 16x32 or similar RGB LED displays using Raspberry Pi GPIO

Bluetooth LE Keyboard library for the ESP32 (Arduino IDE compatible)

Bluetooth LE Gamepad library for the ESP32

Bluetooth LE Mouse library for the ESP32 (Arduino IDE compatible)

Bluetooth LE Keyboard library for the ESP32 (Arduino IDE compatible)

Control Hub75 panels using GPIO on Raspberry Pi 5 @9600Hz. OpenGL ES 3.1 fragment shaders. 3 parallel panels, chain up to 8 panels on each port. Gamma and Tone Mapping, 64 bit BCM. ShaderToy support.

An USB HID phone implementation for Arduino