Zimbra Desktop vs. Superhuman Mail

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.

Superhuman Mail is the AI-native email app that helps high-performing teams fly through their inboxes and focus on what matters. Built for speed, clarity, and collaboration, Superhuman helps professionals save four hours per person, per week. Smart triage, lightning-fast UX, and powerful integrations let you move through messages in record time without losing context or control. Whether you're following up with prospects, clearing internal threads, or managing projects via email, Superhuman gives you the tools to work faster and stay responsive.