These are a few capabilities of my flat file CMS ...
Uploading, resizing and compression of images.
Adding paypal to products
Displaying Ebay products using Ebay API
Comment and rating system
Reviews and rating system
Messaging
Subscription and emails
and so much more.
The trouble with all the above, and more besides, is that the CMS has become too complicated for its own good. I intend to strip it back, to simplify it. Various sections can be turned into stand-alone scripts, such as the image upload and compression side of things.
The stripping has begun ...