Openerp is a leading open-source management software with over 1,500 modules, rapidly growing through a community-driven model that enables free execution, modification, and redistribution. The platform supports a wide range of applications including CRM, HR, accounting, and project management, with a strong customer base comprising notable companies like Danone and La Poste. Its effective marketing strategy results in high visibility at low cost, positioning it as an attractive alternative to proprietary ERP solutions.