Zimbra Collaboration Suite (ZCS) 5.0 is a truly modern, innovative messaging and collaboration application. Zimbra is the leading open source solution for enterprise, service provider, education, 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 web collaboration is at the heart of ZCS 5.0. The powerful web client integrates email, contacts, shared calendar, VoIP, and online document authoring into a rich browser-based interface. Also, our unique open source Zimlet technology makes it easy for you to include custom ‘mash-ups’ in the ZCS web client.


Special offer for OSLiving readers: Get 35% off on sign up!
Open Source Living is a dynamic archive of Open Source software (OSS) spanning all major platforms, inclusive of small to large scale projects. It aims to introduce and inform new users about viable OSS alternatives to corporate, closed source software.
Through its Community Forums and exciting multi-authored publication, Sourced, OS Living houses informed discussion on issues of import in the Open Source field.
OS Living adheres to the Open Source Initiative's definition of OSS. Each software item included in the archive endeavours to conform to OSI guidelines on standards and licensing. Find out more »
Working on a top OSS project? Found something that could benefit others? Send us all the details via our user-friendly submission form and we'll consider it for inclusion in the Archive. Submit »
If you find the Open Source Living project a valuable resource and would like to help towards maintaining the site, we welcome donations through Paypal™. Donate »