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CK-ERP is a CRM/ERP/MRP/accounting system with 22 modules - Admin,i18n, ContactMgmt,CRM,CustomerSelfService,VRM, MRP,Warehouse,Inventory,Service, Ledger,BankRec,Payables,Receivables,PO,SO,Quotation, POS(Cashier),POS(Mgr), HR,StaffSelfService & Payroll.