Zimbra Desktop vs. eM Client

Zimbra Desktop is a free and open source email client application that gives you online and offline access to all your email accounts in one place. Zimbra Desktop works with many types of email systems to synchronize email, contacts and calendar data between users mailboxes in the cloud and local data stored on your computer disk.

BOOST YOUR EMAIL, SKYROCKET YOUR PRODUCTIVITY eM Client is a powerful email client for Windows and macOS with a clean and easy-to-use interface. It also offers features for calendars, tasks, contacts, notes and chat. eM Client supports all major services including Gmail, Exchange, iCloud, and Outlook and can set up everything automatically for most of the services as well. eM Client also efficiently imports your data from all major email clients (including Microsoft Outlook, Outlook Express, Windows Mail, Thunderbird and more).