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Is there a software online that is a calendar, crm, and email marketing all in one?

I want to make a new website that has all of this on it OR have my website seperate from it, but only have one software with CRM, schedule and calendar, and email marketing (like Constant Contact) all connected. So, that I only have to put in contacts once and do not have different things to sign into to use them. Does this exist? If so, where?

Public Comments

1. I think Zoho Office will do the trick http://www.zoho.com/
2. Salesforce.com would do this also..they are first and foremost a CRM, secondly they have a variety of email marketers who have integrated in to their service using their API's.
3. this should be able to do the trick for you. http://www.8ov.org/