Great for time tracking, works the best with Chrome extension plus Android app.
I didn't use all the features available but for my needs it worked out perfectly. Their customer service is very responsive and polite when it comes to inquiries made.
Track your time on Outlook.com with our time tracker integration. Get automatic timesheets and enjoy TrackingTime’s in-depth analytics.
Outlook.com, a component of Outlook.com within Small Office Online (distinct from Microsoft Office Outlook), is a web-based calendar service developed by Microsoft, succeeding Hotmail. In addition to providing IMAP and POP3 email access, Outlook.com seamlessly integrates with various social networks, such as Facebook chat, enhancing its functionality beyond traditional calendar services.
http://www.outlook.com