The very easy to use Add More Fields contribution is now compatible with oscommerce version 2.3. This add on, written and maintained by
oscommerce solution, will allow you to add/edit/delete fields for the database very easily from within admin and will automatically display the new field data on the product page, if you choose to do so.
It can be ordered from Database Field Creator. Use the code addmorefields_discount to receive 5% off of your order.