Zimbra, a Yahoo! (Nasdaq: YHOO) company, and the leader in open source, next-generation messaging and collaboration software, today announced that it has expanded its support for Apple products and technologies, including Safari 3 and CalDAV for Mac OS X Leopard.

The Zimbra Collaboration Suite (ZCS) fully supports Safari 3, which is the fastest Web browser on any platform and is available for Tiger and Leopard users and is in beta on Windows. ZCS’s rich AJAX interface, including email, calendaring, Zimbra Documents, and customizable mash- ups called Zimlets, takes full advantage of Safari’s optimized AJAX browsing experience.

Satish Dharmaraj, CEO and co-founder of Zimbra – “We also wanted to expand our support for the iPhone by adding an optimized mobile web experience on top of our iSync support.” Additionally, ZCS is now available to iPhone users via the Zimbra Mobile HTML client.

Zimbra, a Yahoo! company, is a leading provider of collaboration software for universities, businesses and service providers. Zimbra’s rich AJAX interface is available on or offline to dramatically improve the collaboration experience. Zimbra is available on-premise or on-demand through our extensive hosted partner program.

On Sept’2007 Yahoo! acquired Zimbra for approximately $350 million. “Zimbra’s tremendous talent and innovative technology will help to extend our core Mail offerings, further strengthening our strong leadership position in this space.” said Jerry Yang, chief executive officer, Yahoo! Inc.