You are looking for a solution to synchronize data between your online website and your local store; you are looking for a quick solution to manage your cafe/restaurant. OpenPOS is a must have Plugin to do that.
Download links:
https://www.mirrored.to/files/14DCAB89/ ... .rar_links
https://filekite.com/d1e48966d5972501/w ... os-740.rar