Marketcetera’s open source components are made available under GPL v.2.0. The companies below deserve special recognition for their contributions to Marketcetera, they consistently provide resources which help the project run smoothly by supporting hosting costs, donating their services, etc. For more specific information on any of the licensing terms, please see the associated license file in the appropriate module:


  • Photon makes extensive use of the Silk icon set by Mark James – ( See readme.txt in the “icons/silk” directory of the Photon distribution for more information.
  • The icon for the Photon application is a modification of “applications-internet.svg” created by Jakub Steiner and Tuomas Kuosmanen, used under the terms of the Creative Commons “Attribution-Share Alike” license ( The source for the modified SVG can be found in the Marketcetera source repository.
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