Khronos Group API License Agreements

Using a Khronos API Word or Logo Trademark

Any developer or company can freely download the available Khronos API Specifications and implement and ship products using the specification completely free of charge, royalty or licensing. Use of the related Khronos API Word or Logo Trademark however has certain requirements.

Use of any Khronos trademark, including logos and the names of Khronos specifications in text form is subject to the official Khronos Trademark Guidelines

OpenGL logo Usage Guidelines are available here.

  1. “OpenGL” is not a generic name for a 3D graphics library or any other product. OpenGL® is a trademark for specific application programming interface software from Silicon Graphics, Inc. (“SGI”).
  2. Only SGI and its Conforming Licensees are authorized to use the OpenGL® trademark and oval logo to identify their products.
  3. Others can use the OpenGL® trademark (but not the oval logo) to refer to their products by following the “fair descriptive use” rules contained in these guidelines.
  4. Use of the OpenGL® trademark and oval logo should always follow the rules of proper trademark usage and acknowledgment contained in these guidelines.
  5. All questions regarding use of the OpenGL® trademark and oval logo should be referred to the SGI Legal Department.

SGI is the sole owner of the OpenGL oval logo and trademarks. All specific questions regarding use of the OpenGL trademark and oval logo should be referred to the SGI Legal Department.

Complete license details are available at: http://www.sgi.com/products/software/opengl/trademarks.pdf.

For application developers using the OpenCL API who wish to use the OpenCL logo:

For OpenCL technology implementers who wish to use the OpenCL logo:

The OpenCL trademark and logo are trademarks owned solely and exclusively by Apple and have been licensed to the Khronos Group in connection with the development and implementation of the OpenCL standard.

Download and review the required OpenCL Logo License Agreement from Apple.

OpenGL ES logo Usage Guidelines are available here.

For OpenGL ES technology implementers who wish to use the OpenGL ES logo:

OpenGL is a registered trademark and the OpenGL ES logo is a trademark of Silicon Graphics Inc. used by permission by Khronos.

Complete license details are available at : http://www.sgi.com/products/software/opengl/

OpenGL SC logo Usage Guidelines are available here.

For OpenGL SC technology implementers who wish to use the OpenGL SC logo:

COLLADA logo Usage Guidelines are available here.

For COLLADA technology implementers who wish to use the COLLADA logo:

WebGL logo Usage Guidelines are available here.

For WebGL technology implementers who wish to use the WebGL logo:

WebCL logo Usage Guidelines are available here.

For WebCL technology implementers who wish to use the WebCL logo:

OpenKODE logo Usage Guidelines are available here.

For OpenKODE technology implementers who wish to use the OpenKODE logo:

OpenVG logo Usage Guidelines are available here.

For OpenVG technology implementers who wish to use the OpenVG logo:

OpenMAX logo Usage Guidelines are available here.

For OpenMAX technology implementers who wish to use the OpenMAX logo:

OpenSL ES logo Usage Guidelines are available here.

For OpenSL ES technology implementers who wish to use the OpenSL ES logo:

OpenWF logo Usage Guidelines are available here.

For OpenWF technology implementers who wish to use the OpenWF logo:

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