This apps allow you to display free shipping in function an amount It come with a hook to display an information in the shopping cart
This modules depends of ms_shopping_cart_products_listing for the hooks
Important Note :
Copy the apps_shipping_free_shipping_amount.json into ClicShopping/Work/Cache/Github
licence : GPL 2 - MIT
Install :
http://monsite/myAdmin/index.php?A&Shipping\FreeShippingAmount
Activate the module in Shipping
marketplace link : https://www.clicshopping.org/forum/files/file/35-apps-shipping-free-amount/