vtiger CRM is an open source CRM application, forked from SugarCRM is a completely open source CRM like functionality in SugarCRM intention. It offers reporting, customer portal and its Outlook plugin for the free version, since these functions are paid to other versions of CRM application.

    Features:
  • 1. End to end sales cycle management from campaigns, leads, potentials, quotes, invoices..
  • 2. Support automation using a customer portal and support tickets
  • 3. Data import & export via CSV files, web-to-lead forms, reports & customizable user dashboards
  • 4. Role based access control
  • 5. Mobile applications
  • 6. Workflows, tasks, and project management
  • 7. Outlook, Thunderbird, Firefox, & Gmail plugins
  • 8. Extensions marketplace for additional plugins

vtiger is a user interface and workflow, the user can even be used immediately without any professional skills. If there is a lot of information and functions that are not used, the user can turn off in order to ensure that all relevant information was entered into the database.