Vtiger Customer Relationship Management software is a popular open source CRM application developed by the company Vtiger. It is available as free open source software based on PHP and MySQL, and as a subscription-based cloud application. Vtiger includes the following features. End to end sales cycle management from campaigns, leads, potentials, quotes, invoices. Support automation using a customer portal and support tickets. Data import & export via CSV files, web-to-lead forms, reports & customizable user dashboards. Role based access controls and Mobile applications. Workflows, tasks, and project management. Outlook, Thunderbird, Firefox and Gmail plugins as well as an Extensions marketplace for additional plugins.