Zimbra Collaboration Suite (ZCS) 4.0 is a truly modern, innovative messaging and collaboration application. Zimbra is the leading open source solution for enterprise, service provider, academic, and government environments; offering administrators and their end-users unmatched benefits. It's no wonder Zimbra is a popular choice for today's growing Mac and Linux email server base.

Ajax based collaboration is at the heart of ZCS 4.0. The powerful web client integrates email, contacts, shared calendar, VoIP, and now online document authoring and sharing. Our unique Zimlet technology make it easy to include custom 'mash-ups' in ZCS.

ZCS 4.0 also features an Ajax Admin Interface plus full scripting tools, and support for standards-based APIs (IMAP / POP / iCal) which enable seamless compatibility with Microsoft Outlook and Apple.

Zimbra is also pleased to announce Zimbra Mobile, the first integrated offering for open source with no need for third party software or additional servers for most devices.