business erp6 company erp6 inventory erp6 erp5 product management5 sales5 small business erp5 account management4 inventory4 purchase4 inventory manager3 stock manager3 android2 ios2 marketing2 product manager2 shop management2 ai billing and pos software1 asp.net core1 crm1 installment software1 inventory pos1 inventory software1 ios app1 leads1 multi store1 order management1 php open source pos1 pos billing software1 react native app1