vtigerCRM

vtiger CRM is a community-driven, fully open source, CRM software project. The aim of the project is to provide the best and most open CRM solution with the lowest total cost of ownership to small and medium enterprises. The product is widely used throughout the world, with over a thousand downloads a day and over 1.5 million downloads to date. vtiger CRM has an active community of developers and users, with contributors from many different countries. It is available in many languages, with a strong partner network in dozens of countries. vtiger CRM leverages the benefits of Open Source software and adds more value to the end-users by providing many enterprise features, such as Sales force Automation, customer support & service, marketing automation, inventory management, multiple database support, security management, product customization, calendaring, E-mail integration, add-ons, and others.