You can register multiple barcode for single product and also select products in sale, purchase, invoice, ETC... with that multiple barcode
This apps helps to Covert Sale order from Purchase Order
Mass Cancel Sales Order
Base for ecommerce api integration
Sale order and Purchase order Multiple Product Selection
Confirm Sale Person in Sale
Propagates SO line sequence to invoices and stock picking.
Sets image on sales quote line
Hide price/discount in Sale Order Report
Notification Email From Product
Powerful tool for managing Odoo Contact Partner Groups
Update the refund options in pickings
Universal Tax v11.0