Kerio Connect is a subscription-based software designed for organizations seeking a robust email, instant messaging, calendar, and collaboration platform. It integrates email with shared calendars, tasks, notes, and public folders, providing a comprehensive suite for workplace communication. Users can synchronize messages directly to mobile devices using Microsoft ActiveSync, and the instant messaging feature is XMPP-compatible, allowing use with various third-party applications. Installation is streamlined, taking only about 20 minutes to set up and deploy across various operating systems including Mac, Windows, and Linux.

The software caters to a wide range of organizations, from small businesses to enterprises, and supports multiple languages, although English is primarily featured. Kerio Connect also offers integrations with popular services such as Google Workspace, Microsoft Exchange, and Outlook, enhancing its versatility. The pricing starts at $36.50, and a free trial is available, making it accessible for users to evaluate its features before committing.