
Kolab Community
Kolab Groupware is a secure, scalable, reliable, flexible, full-featured collaboration suite.
Zimbra Collaboration is an open, secure collaboration tool for email, calendaring, tasks and more.
zimbra collaboration is an open, secure collaboration tool for email, calendaring, tasks and more. with the most innovative web application available today, zimbra boosts the productivity of users on any desktop and dramatically reduces tco compared to legacy platform vendors.
other key advantages include advanced compatibility with existing desktop email clients, overtheair sync to smartphones (iphone, android, blackberry) as well as better server scalability and more efficient administration.
zimbra provides open source email and calendar groupware software, zimbra is a popular choice for linux and mac os x email servers and supports saas deployment, appliances and virtualization platforms.
calendar groupware mail-server