Accumula provides complete integration of inventory to Magento, more than just updating inventory quantities.
Inventory data flows from point of sale TO Magento, with point of sale acting as Inventory Master. Publish full inventory data from your point of sale just by adding the webstore tag in the point of sale. Accumula integrates Magento with the following point of sale systems:
Lightspeed Retail Attribute Mapping
Lightspeed Onsite Attribute Mapping