Maaf, tetapi saya tidak dapat menemukan apa pun (bahkan di halaman resmi) yang memberi tahu saya tentang perbedaan antara kedua versi.
Bahkan pertanyaan di forum resmi mereka belum terjawab selama beberapa bulan -
The halaman lisensi berbicara sedikit tentang "internal" perbedaan
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.
sumber