About Us. Zimbra powers collaboration for the way you work.
Zimbra connects people and information with unified collaboration software that includes email, calendaring, file sharing, activity streams, social communities and more. With technology designed for social, mobile and the cloud, Zimbra gives individuals the flexibility to work from virtually anywhere, through nearly every computer, tablet and mobile device. Web 2.0 Can Be Dangerous (Jakob Nielsen's Alertbox)
Calc5.com - online calculator with symbolic calculations and graphs.