Open Source Openbravo POS convert to Commercial Retail ERP and POS
A simple phone billing console-based app (C language)
TRade Account Monitor for mt4/5 via mqtt
Das GRATIS Rechnungsprogramm für Einzel- und Kleinunternehmer
Mutasyon is a script can add customer, products, inventory or invoice
Printer Counter is a powerful centralized printer manager
Seagram Inventory is an open source inventory management application
Shipping biller is benificial tool for generating shipping bills.