YooRecipe is distributed under GNU/GPL and Proprietary Licence. We do not restrict you from modifying the codes in our products. You are authorized to make any modification(s) to YOORECIPE.COM extension PHP code. However, if you change any PHP code and it breaks functionality, support may not be available to you.
In accordance with the YOORECIPE.COM Proprietary Use License, you may not release any proprietary files (modified or otherwise) under the GPL license. The terms of this license and the GPL v2 prohibit the removal of the copyright information from any file. See licence for more information