This repository list down all the free odoo modules that I found useful.
Odoo 9:
Accounting and Finance:
Point of Sale:
Product Barcode Generator: https://github.com/meswapnilwagh/odoo-adr/tree/master/pos-addons/product_barcode_generator
POS keyboard: Module allows to use usual keyboard (not virtual one) in Point of Sale. Source: https://github.com/meswapnilwagh/odoo-adr/tree/master/pos-addons/pos_keyboard
POS Today Report: Module to add Action print report POS today to POS Dashboard kanban Source: https://github.com/Susairaj/Out_source/tree/master/pos_today_report
pos_email_receipt: POS Sending Emails Source: https://github.com/WineDataSystem/odoo_dev/tree/master/pos_email_receipt
Sales:
MRP:
Odoo 10: