Build free virsion of Odoo

Build free version of Odoo (website, cashier system , invoice system and HR, SMS system)
create an account to each supplier to add their own product which will be approved or not by business owner
ppliers online page shows ( stock – damage – sold product quantity)as well as their invoice
create barcode to each product to be printed as well as to be scanned by cashier barcode reader
SMS system to notify suppliers if their product sold out or been expired