CK-ERP [CK: Common Knowledge - to be shared and developed by all]

CK-ERP is an open source accounting / educational / MRP / ERP / CRM system that runs on top of multiple middlewares. It provides multi-currency, multi-ledger, multi-warehouse accounting and back office functionalities to SMEs. It provides fine-grained access control security and supports multilingual operation.

It comprises 32 modules - Contact Management, Customer Relationship Management, Customer Self Service, Vendor Relationship Management, Material Requirement Planning, Warehouse, Inventory, Service, Accounting Ledger, Bank Reconciliation, Accounts Payable, Accounts Receivable, Purchase Order, Sales Order, Quotation, POS for Cashier, POS for Manager, Human Resources, Staff Self Service, Payroll, Administration, Internationalization, Access Control, Data Import, Teacher, Counsellor, Student, Applicant, Family, Registrar, Edu Administration and Volunteer Management.