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# 1. Introduction

The OpenVRML development toolkit consists of the following parts:

- the VRML97 and X3D-VRML parsing interfaces
- libopenvrml, a runtime library for VRML97 and X3D worlds
- libopenvrml-gl, an OpenGL renderer

## 1.1 Terms of use

The runtime library (libopenvrml), including its associated headers, including the VRML97 and Classic VRML X3D parsers, and the subordinate OpenGL rendering library (libopenvrml-gl) are available for use under the terms of the GNU Lesser General Public License, version 3.

The associated test and example programs, the XEmbed control (openvrml-xembed), the stand-alone player (openvrml-player), and the Mozilla Gecko Web browser plug-in are available for use under the terms of the GNU General Public License, version 3.

## 1.2 History

OpenVRML was started as LibVRML97 by Chris Morley. Since 2000 it has been maintained by Braden McDaniel.