Microsoft Office 365 - Online Services & Hosted Software in the Cloud
https://office365.microsoft.com/en-US/office365-beta.aspx
We are pleased to announce the availability of a limited Beta for Office 365. Be one of the first customers to explore the cloud-based features and benefits of Office 365, and stay up-to-date on the latest Office 365 information and buzz. The Beta lets you explore the new features of Microsoft Exchange Online, Microsoft SharePoint Online, Microsoft Lync Online and Microsoft Office Professional Plus desktop suite – and experience the seamless integration across services and devices. Space is limited – sign up today.
Office 365 Beta for small businesses
Designed specifically for smaller businesses and professional users who are looking for cloud-based productivity tools without the IT hassles.
Office 365 Beta for enterprises
Best solution for organizations that are looking to move their productivity tools to the cloud, while staying in control of their IT services.