Inventory, sales and cash desk for Windows on your own PostgreSQL server
Meridian is a Windows 10/11 desktop system for shops and small warehouses: stock and inventory, purchases, sales, a scanner-driven cash desk with 20+ discount and loyalty rules, customers and documents. The database runs on your own PostgreSQL 12+ server; several workstations share it with roles and access rights per employee. Installed from an MSI with a database kit and demo data. Interface in English and Russian. 10 seats free forever; 25, 50 and 100 seat packs are one-time purchases (USD 159, 299, 529) with a year of updates.