Linux Softwares to CardDAV Support

OX Open-Xchange is a comprehensive web-based suite designed for communication, collaboration, and office productivity, offering features like email, calendaring, task management, and document sharing, seamlessly integrating across devices.

Memotoo is a comprehensive online service designed to centralize and synchronize all your personal information, including contacts, calendars, tasks, notes, and bookmarks. It acts as a hub to connect various online services and devices, ensuring your data is consistent and accessible from anywhere.

Baïkal is a lightweight and easy-to-use CalDAV and CardDAV server, providing a simple way to sync your calendars and contacts across various devices and applications. Built upon the robust sabre/dav library, it offers a straightforward administrative interface for seamless management of users and data.

SOGo is a powerful open-source groupware server designed for scalability and simplicity. It provides a comprehensive suite of collaborative features including webmail, calendaring, contact management, and task management, with strong support for standard protocols like CalDAV and CardDAV.

Lightning is a comprehensive calendar and task management add-on for Mozilla Thunderbird and Seamonkey, designed to integrate seamlessly with email. It offers robust features for scheduling, task tracking, and synchronization with various online calendar services, enhancing productivity directly within your email client.

Zimbra Desktop provides a unified interface for managing multiple email accounts, calendars, tasks, and contacts offline. It supports various protocols like IMAP, POP, CalDAV, and CardDAV, offering a comprehensive personal information management solution.