Can LGPL licenses be used in our proprietary systems?

Posted by jon on Stack Overflow See other posts from Stack Overflow or by jon
Published on 2010-03-17T17:05:31Z Indexed on 2010/03/17 17:11 UTC
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tinymce

We want to use either the FCK/CKeditor or the TinyMCE editor in our CRM application. We charge the customer use of the CRM system which is bespoke to use and them. I noticed both the editors have GPL and LGPL licenses. However CKEditor has a Closed License too in addition to the LGPL.

My questions are: 1) Although we don't sell our code or binaries, we provide software as a hosted service, can we use LGPL licenses?

2) Why does CKEditor provide LGPL and Closed licenses if the LGPL should make it easy for any proprietary software to use it? Is it only for systems which are sold as a binary where the product is for example physically installed as an .exe?

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