You can use any CMS or framework based on any language or technology to use JS+ add-ons.
The only you need is to install CKEditor or TinyMCE as content editor.
...actually we think you already use them as far they are good instruments for editing website contents.
Upload a picture and insert a preview to the site. Compatible with LightBox and other viewers.
Upload and insert an image preview in literally two clicks. Compatible with ShadowBox and other viewers.
Upload an image from another server by URL and insert it to the content of your own site.
Insert an icon from the most popular icon set and select and preview its custom style.
This table of special characters allows inserting symbols as text or image to the content of the site.
Insert a styled button-link to your website. Use one of the templates, or create your own design.
Automatically back up content of each of your pages to the built-in storage of a browser or to the server.