list of free pos

 https://logic-pos.com/

https://loyverse.com/marketplace/woocommerce-sku

-- this is available for mobile billing back office can be on desktop.

    --- any no of agents can bill at a time using different mobiles...  $5 per agent

    --- free for unlimited products.

    --- no verification option.

    --- auto sync data online.

   --- multiple stores.

   --- ecommerce shopify woocommerce, megento and other synch available.