Dust3D is a cross-platform open-source 3D modeling software
A modern library for 3D data processing
The open-asset-importer-library repository
A standalone, large scale, open project for 2D/3D image processing
Open source Cardboard SDK and samples
Circuit diagrams and firmware source code for Gboard DIY keyboards
A layer built on top of the Insight Toolkit (ITK)
3D modeler, 3D game maker, 3D demo maker
a parametric 3D CAD modeler
3D fractal rendering software
Vivid3D is a C++ IDE/3D engine, with python scripting.
High-efficiency minimalist C++ wrapper for OpenGL 4.3
Opensource Created Custom Viewers For Virtual Worlds like SecondLife.
crossplatform multithreaded object-oriented render and audio engine
Zoomable user interface (ZUI) with file manager, file viewers and more
Support for legacy OpenGL in core profiles
Tools for 3D image analysis of additively manufactured parts
Cross Platform GUI Toolkit
Realtime raytracer using SIMD on ARM, MIPS, PPC and x86
HARFANG 3D source code public repository
Tiny OpenGL Wrapper / 3D Engine in C++