Tinymce editor from the cloud as addon for LEPTON CMS.
Please keep in mind that you need a key to run this addon properly and to register your domain.
https://store.ephox.com/signup/
Enter your personal key in the file /templates/my_key.lte.
<script src="https://cloud.tinymce.com/stable/tinymce.min.js?apiKey=123your_key456"></script>
Get more information about tinymce cloud:
https://www.tinymce.com/docs/get-started-cloud/
https://www.ephox.com/blog/tinymce-cloud-basic-tier-delivers-even-more-value-including-free-image-proxy-service/