caldav
Baïkal is a lightweight CalDAV+CardDAV server. It offers an extensive web interface with easy management of users, address books and calendars. It is fast and simple to install and only needs a basic php capable server. The data can be stored in a MySQL or a SQLite database.
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An open-source alternative to Motion, designed for intelligent task scheduling and calendar management. FluidCalendar helps you stay on top of your tasks with smart scheduling capabilities, calendar integration, and customizable workflows.
A simple, fully translatable admin interface and frontend for sabre/dav.
Provides user edition, calendar creation and sharing, and address book creation. The interface is simple and straightforward, responsive, and provides a light and a dark mode.
Secure Data Sync.
Secure, end-to-end encrypted, and privacy respecting sync for your contacts, calendars, tasks and notes.
Easy to use and open source - it seamlessly integrates with your existing apps so you won't even notice you are using it!
- EteSync server @ GitHub.
- etesync-dav @ GitHub is a CalDAV and CardDAV adapter for EteSync.
CalDAV, CardDAV and WebDAV for Android.
Sync your contacts, calendars and tasks. Get live-access to your WebDAV Cloud files. All-in-one CalDAV/CardDAV/WebDAV solution for Android.
DAVx⁵ is an open-source CalDAV/CardDAV suite and sync app for Android. You can also access your online files (WebDAV) with it.
Free and Open-Source CalDAV and CardDAV Server.
Radicale is a small but powerful CalDAV (calendars, to-do lists) and CardDAV (contacts) server.
Open Source Groupware. SOGo is a fully supported and trusted groupware server with a focus on scalability and open standards. SOGo is released under the GNU GPL/LGPL v2 and above. SOGo provides a rich AJAX-based Web interface and supports multiple native clients through the use of standard protocols such as CalDAV, CardDAV and GroupDAV, as well as Microsoft ActiveSync.
Collaborative email, calendar, contacts and tasks. BlueMind offers you the choice to preserve your digital independence while promoting that of France and Europe vis-à-vis US big tech. Keeping control over your data and solutions is finally compatible with the satisfaction of your users. BlueMind is the number 1 alternative to Microsoft Exchange, O365, Gsuite, etc. email solutions.