Zimbra provides open source server and client software for messaging and collaboration. To find out more visit https://www.zimbra.com. Zimbra offers businesses a secure, data-sovereign email and collaboration platform built on open standards. A low-risk alternative, it provides integrated email, calendar, contacts, tasks, and document sharing. Zimbra Collaboration, formerly known as the Zimbra Collaboration Suite (ZCS) before 2019, is a collaborative software suite that includes an email server and a web client. Get the same powerful Zimbra experience offline with Zimbra Desktop, the free email client for Windows, Mac or Linux desktops using IMAP/POP, CalDAV and CarDAV
