FreeCAD / FreeCAD

Official source code of FreeCAD, a free and opensource multiplatform 3D parametric modeler.

mrdoob / three.js

JavaScript 3D Library.

dorianborian / sesame-robot

An open and affordable mini quadruped robot based on ESP32.

OrcaSlicer / OrcaSlicer

G-code generator for 3D printers (Bambu, Prusa, Voron, VzBot, RatRig, Creality, etc.)

stride3d / stride

Stride (formerly Xenko), a free and open-source cross-platform C# game engine.

RodZill4 / material-maker

A procedural textures authoring and 3D model painting tool based on the Godot game engine

PixelGuys / Cubyz

Voxel sandbox game with a large render distance, procedurally generated content and some cool graphical effects.