3D graphics library based on the Open Inventor API
Coin is an OpenGL based, retained mode 3D graphics rendering library. It is implemented in C++ and publicly released with the source code open for your perusal. The application programmer's interface (API) is fully compatible with SGI's Open Inventor, the de facto standard 3D graphics API for complex visualization applications.
Homepage: https://www.coin3d.org/
Maintainer: Johannes Thyssen Tishman <jtt@openbsd.org>