aAccounting/MRP/ERP/CRM system. GPL

CK-ERP 0.24.1 is an accounting/MRP/ERP/CRM system with 22 modules: admin, i18n, contact management, customer relationship, customer self service, vendor relationship, MRP, warehouse, inventory, service, ledger, bank reconciliation, AP, AR, PO, SO, quotation, POS for cashiers, POS for managers, HR, staff self service, and payroll. It can be hosted atop eGroupWare, XOOPS, Zencart, CRELoaded, osCommerce, Xaraya, phpBB, TikiWiki, or Horde.