Google Calendar is not available as a self-hosted solution but there are plenty of alternatives for power users and business that want to host a solution on-premise. The best Self-Hosted alternative is Nextcloud Calendar, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 100 alternatives to Google Calendar and 16 are available as a self-hosted solution so hopefully you can find a suitable replacement. Other interesting Self-Hosted alternatives to Google Calendar are Kolab, MIDAS, SilentSuite and Homechart.
Calendar interface for CalDAV enabling cross-device event sync, web-based editing, recurring events, Nextcloud Contacts integration, WebCal subscriptions, attendee invites, color coding, event notifications, privacy-focused hosting, and import/export support.
Germany
EU
MIDAS is a leading room booking system giving you complete control over your room bookings and resource scheduling, and trusted by organizations and businesses of all shapes and sizes around the world.
End-to-end encrypted sync for calendar, contacts and tasks. Integrates with your existing apps, data is encrypted on your devices before it ever reaches the server.
United States
lightweight, client-only calendar web application. All data persists in the URL hash for instant sharing, No backend required. Optional AES-GCM password protection keeps shared links locked without a server.
Sri Lanka
Small and medium scale businesses wish to provide online service booking, but tools out there are either too expensive or too complex. Timegrid is a platform holding contractors and customers for letting them an affordable and easy to use way to interact through online...
WebCalendar is a PHP-based calendar application that can be configured as a single-user calendar, a multi-user calendar for groups of users, or as an event calendar viewable by visitors.
With Planning Pal you can organize the use of shared facilities in your household, student dorm or on your work easily. Reserve times for facilities and enjoy the ease of sharing!.
wtplan (web terminal planner ) helps you manage a calendar. The calendar can be managed from a command line interface and/or a web interface. The calendar data is stored in a simple text file. wtplan integrates with git to make backup and synchronization between multiple...
jquery-calendar - A responsive jquery calendar scheduler built with bootstrap and moment.js
Switzerland
