This app helps user to cancel all orders in odoo like sale, purchase, invoice, and picking and received and delivered product quantity will reverse.
This module will add a functionality to allow barcode generation of EAN13 for products. You can do configuration at product or category or company level.
The tool to calculate stock demand trends and make prediction for future demand statistically. Stock Forecast
The module allows you to process Pickings by barcode scanner via special page /barcode/web (the same as it was in odoo 8.0)