Perdon pero he no He podido localizar cualquier cosa (incluso en las páginas oficiales) informándome de las diferencias entre las dos versiones.
Incluso una consulta en su foro oficial ha estado sin respuesta por muchos meses
los página de licencia Habla un poco sobre las diferencias "internas".
CKEditor Commercial License - CKSource Closed Distribution License - CDL
...
This license offers a very flexible way to integrate CKEditor in your commercial
application. These are the main advantages it offers over an Open Source license:
* Modifications and enhancements doesn't need to be released under an Open Source
license;
* There is no need to distribute any Open Source license terms alongside with your
product and no reference to it have to be done;
* No references to CKEditor have to be done in any file distributed with your
product;
* The source code of CKEditor doesn’t have to be distributed alongside with your
product;
* You can remove any file from CKEditor when integrating it with your product.