Horde (software)

Horde is a free, web-based groupware suite. It provides users with email, calendaring, address books, task management, notes, and file management features. Horde is designed to be a modular system, allowing users to select and install only the specific components they need. The Horde framework provides a common infrastructure for all Horde applications, handling tasks such as user authentication, database access, and user interface elements.

Key components of the Horde Groupware Suite include:

• IMP: A webmail client that supports multiple IMAP accounts, providing features such as message filtering, spell checking, and address book integration.

• Turba: An address book application for managing contacts. It supports shared address books and synchronization with other devices.

• Kronolith: A calendaring application that allows users to schedule appointments, meetings, and events. It supports shared calendars and iCalendar (RFC 5545) standards.

• Nag: A task management application that allows users to create and track tasks, assign priorities, and set due dates.

• Mnemo: A notes application for creating and organizing notes.

• Gollem: A web-based file manager for storing and managing files. It can be integrated with other Horde applications.

Horde is written in PHP and utilizes a relational database (such as MySQL or PostgreSQL) for storing data. It is typically deployed on a web server running Linux or Unix-like operating systems. The suite is actively maintained and is intended for use in both personal and enterprise environments. Horde strives to be standards-compliant and integrates with other open source software, making it a flexible groupware solution.