Can I include CKEditor 4 and CKEditor 5 in a commercial environment?

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    Marty Warble

    Ludwika,

    I'm wondering if you could expand on your previous comments regarding the use of CKEditor in a commerical website.  I'm not sure I understand what it means when you say your source code must remain open and accessible to others.  My website runs on my server and uses CKEditor. I am not making any changes to the CKEditor code. I am using it as-is.  The code that constitutes the website is not distributed in the normal sense of distributing an application.  Do I need to provide a link somewhere on the website to the CKEditor code?  I just don't understand what it means for the code to be accessible in the context of a website.

    Thank you for any clarification you can provide on this matter.

  • Avatar
    Ludwika Slowikowska

    Hey Marty, I am sorry for replying to you so late. I have just sent you an email. Let's talk about your use case and needs there.

  • Avatar
    Whop lithe

    Hi Ludwika,

    I also have exactly same question as Marty, Can you explain which source code we have to make public? CKEditor code or my website source code?

     

    Thanks.

  • Avatar
    Tommy Schmidt

    Hi Ludwika,

    i also have the same question as Marty and Whop.

    When using your official ckeditor 5 wrapper for angular:

    • is the editor free to use or do we have to pay for it?
    • how would we make the source code for ckeditor 5 accessible for the enduser?
    • is there anything else we need to be aware of?

    Thanks.

  • Avatar
    Ludwika Slowikowska

    Hey Tommy,

    Thank you for your comment. Because you also sent us an email with the same questions, we decided to answer them directly via email. Please let us know in case you need any further information regarding licensing.

  • Avatar
    Andrii Koshkarov

    Hi,

    I had the same question as Tommy. Can you answer me please? Thanks

     

    Andrii

  • Avatar
    Martinwanghouse

    Hi 

    same question as Marty...

    Can we use it without modify CKeditor source code for free?

    Thanks

     

  • Avatar
    Inari Sama

    Hi 

    same question as Marty...

    Can we use it without modify CKeditor source code for free? I want to use it as html preview function in my website.

    Thanks

  • Avatar
    Bibek Luitel

    Hi. 

    Same question as Marty, 

    Can we use it for free in our sever ?  WHat part of it should be openSource. 

    Thanks.

  • Avatar
    Marty Warble

    Unfortunately I believe I accidentally deleted the response that Ludwika  sent me several months ago.  Could you re-response to my original question, please.  

    Thank you.

  • Avatar
    Muhammad OwaisAnsari

    Hi, 

    Can i use your product for my admin panel?

  • Avatar
    Rik Crompton

    I would like to use the open source CKEditor in my closed-source commercial product as a way for users to define email content.  Obviously I don't want to open-source my source code.  Is this allowed under the terms of the open source license?  (I understand there is no support under the terms of the open source license)

  • Avatar
    Mingoal

    Hi.
    If my project includes ckeditor 5, and use existing API to customize it,e.g. add new toolbar item, do I need to open source my whole project source?

  • Avatar
    Hiroko Kume

    Hi 

    I have a same question as Marty...
    I would like to use the open source CKEditor in my closed-source commercial product.  I don't want to open-source my source code. Can we use it without modify CKeditor source code for free?

  • Avatar
    Anders Risager

    Hi 

    I have a same question as Marty...

    I would like to use the open source CKEditor in a closed-source commercial product in the company i work for  It will not be possible to open-source the source code. Can we use it without modify CKeditor source code for free?

    Best regards

    Anders

  • Avatar
    Marty Warble

    I apologize for being dense, but I'm still unclear on the licensing.  Let me try with a real life example.  If Facebook or Twitter were to replace their text input on their web interface for posting and tweeting with CkEditor, what license would they need to use?

    The Free license indicates that it only supports 5 active users; however, it also says that freemium users do not count as active users.  Does this mean that Twitter and Facebook would be safe using the Free license?

    Now if these services offered a tiered model where for $5 per year you could get extra features, would they have to purchase a commercial license to accomodate this new tier?

    Thanks in advance.

  • Avatar
    Seungkil Choi

    Hi 

    I have a same question as Marty...

    I want use CKEditor5 on my commercial website for Post editor.

    What happens if I download via npm and bundle it with my client source without modifying the CKEditor source code?

    I've read all of the comment threads, but I'm confused.

  • Avatar
    Krishnan Rock On

    Hi 

    I have a same question as Marty...

    I am using the version 4.11.1 into my website and i didn't modified it. Do i need to have any licence ? Can you explain please.

  • Avatar
    Obrad Kaljevic

    Hi 

    I have a same question as all...
    I would like to use the open source CKEditor 4 in my closed-source commercial product.  I don't want to open-source my source code. Can I use it without modify CKeditor source code for free?

     

    Regards

     
  • Avatar
    JieGao

    Hi 

    I have a same question as Marty...
    I would like to use the open source CKEditor in my closed-source commercial product.  I don't want to open-source my source code. Can we use it without modify CKeditor source code for free?

    Regards

  • Avatar
    Daniel Molin

    Hi 

    I have a same question as everybody else.


    I would like to use the open source CKEditor 4 in my commercial product (web application). I don't want to open-source my source code (any more than it already is due to being a SPA). I don't intend to modify or hide the code for CKEditor. Can I use it with the Open Source license? Is there a difference between 4 and 5?

     

    Regards

  • Avatar
    Vasantha Kumar

    Hi Ludwika,

    First of all apologies if I am again asking the same question that has already been asked. Since I am still unclear, I am going to ask that question again.

    I have a commercial website, where I would like to use CK Editor GPL v2+ licensed open source software editor for some content authoring by admin. I don't need to make any changes to CK Editor and will use it as-is. At this stage I don't see any need of support as well. Can I freely use the unmodified open source CK Editor in my website and still keep my code private?

    Thanks.

     

  • Avatar
    Marcus Pickering

    Hi,

    Like others, I am interested in using ckeditor in a commercial (SaaS) environment and am keen to understand whether the free (Open Source) version will meet our needs, and to what extent we need to make the code (of our application and of ckeditor) available.

    Please could you email me with more information as you have done for others?

    Many thanks.

  • Avatar
    RicharldGao

    Hi 

    I have a same question as Marty...
    I would like to use the open source CKEditor in my closed-source commercial product.  I don't want to open-source my source code. Can we use it without modify CKeditor source code for free?

    Regards

  • Avatar
    Pavan Reddy

    Hi,

     

    I have same question and I didn't find any reply from you in this chain.

    If I develop a social/commercial web application with CKeditor4, do I need to purchase any license(even free license) or even if my website visitors over a million?.

    My purpose is to use ckeditor4 without modifications and use it with other plugins which are GPL, LGPL and MPL like CKEditor4. Do I need to make my code (javascript-rendered to browser or server code) open source. As per my reading on GPL, LGPL and MPL I don't have to open source my application code, please confirm.

     

    Regards

     

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