DAViCal
DAViCal is a server for calendar sharing.
Some of the top features or benefits of DAViCal are: Open Source, Support for CalDAV and CardDAV, Cross-Platform Compatibility, Community Support, and Lightweight. You can visit the info page to learn more.
Best DAViCal Alternatives & Competitors in 2025
The best DAViCal alternatives based on verified products, community votes, reviews and other factors.
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Open-Source Alternatives.
Latest update:
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/sogo-alternativesSOGo is groupware server with a focus on scalability and open standards.
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/radicale-alternativesThe Radicale Project is a complete CalDAV (calendar) and CardDAV (contact) server solution.
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Visit websiteThe #1 email warming service to improve your deliverability by generating realistic and meaningful engagement to your emails. Easy-to-use solution to help you land in the main inbox instead of the spam folder.
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/baikal-alternativesCal and CardDAV server
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/xandikos-alternatives
Lightweight CalDAV/CardDAV server on top of Git.
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/roundcube-alternativesWeb-based IMAP email client
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/agendav-alternativesAgenDAV is an Open Source CalDAV Web application.
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/calendarserver-alternatives
CalendarServer is a standards-compliant server implementation of the CalDAV and CardDAV protocols, including iMIP and APNS.
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/infcloud-alternativesInfCloud is an open source CalDAV/CardDAV web client implementation released under GNU AGPL (version 3.0).
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/calypso-alternativesCalypso is a file sharing client using the anonymous network MUTE. Developped using C++ and Qt. For windows and linux, portable to other environments.
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/zimbra-alternativesZimbra is trusted by over 500 million users to increase productivity with a complete set of collaboration tools while maintaining total control over security and privacy.
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/mailcow-alternativesAn open source mailserver suite.
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/horde-alternativesHorde Groupware is a free, enterprise ready, browser based collaboration suite.
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/iredmail-alternativesA fully fledged, free email server solution, an open source project (GPL v2).
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