Microsoft Office 365 : pricing ranges from $10-27 per user per month

Today, as expected Office 365 came out of beta. Office 365 is Microsoft's consolidated cloud-services system that combines hosted versions of Exchange Server, SharePoint Server and Lync Server.
Pricing for Office 365 starts at $6 per user per month for small organizations with fewer than 25 employees. For organizations with more than 25 employees, pricing ranges from $10-27 per user per month, but there's also kiosk pricing at $4 or $10 a month. There are also discounts for education.
Volume licensing customers may also be eligible to purchase Office Professional Plus.