There are many other useful vtiger CRM extensions. Here are just a few of the most popular ones.
vtiger CRM is currently translated into over 12 different languages. Check the marketplace to see which ones are supported.
If your organization relies heavily on Exchange Server and/or Microsoft Outlook for email and collaboration, you can easily integrate vtiger. Just install this plugin and you'll have a vtiger toolbar inside of Outlook that will allow you to record emails, calendar events, and make notes all within Outlook.
Notice that, within Outlook, you can select emails to be sent to vtiger:
Also, when you synchronize, you'll have full control over what is synchronized ...