openGLCD makes it easy to use Graphical LCDs (GLCD) with Arduino. The library supports several different chips and is easy to integrate with different panels. The configuration mechanism allows using a broad range of GLCD panels and Arduino controllers.
openGLCD is an open source project for open source projects. Those wishing to create closed projects should seek an alternate solution. openGLCD is licensed under the terms of the GNU General Public License v3.0 as opposed to the more liberal licensing terms of the GNU Lesser General Public License (LGPL), modified BSD, Apache, etc..
For full details on the licensing of openGLCD see the section on licensing.