Zimbra is a software brand focused on messaging and collaboration, offering open-source server and client software for communication and shared work. Its products include the Zimbra Web Client, which gives users access to their accounts through a browser and supports both modern and classic interfaces. The Modern Web App is designed to provide a responsive experience across devices and integrate with popular apps.

The Classic Web App serves long-time users and offers advanced collaboration and calendar features suited to power users on desktop browsers. Users can choose an interface or keep a saved preference for which version opens when they sign in. Zimbra’s offering brings email, calendars, and collaboration tools together in a web-based experience, with interface options to accommodate different user preferences and working styles.

The brand’s software is associated with Synacor, Inc., and “Zimbra” is a registered trademark of that company. Zimbra provides information about its products and services through its official website