Built from the ground up for speed. Flectar Mail delivers native performance, instant startup, and as little as 20 MB of RAM.
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Topic Catalog
Top CALDAV GitHub Repositories & Tools (2026)
Discover the most starred and trending open source tools tagged with #caldav.
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7 matching projects · updated Sep 28, 2026
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Self-hosted mail server for your own domain: SMTP/IMAP/POP3, CardDAV/CalDAV, React webmail and admin console, one-command Docker Compose.
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DAVx⁵ is an open-source CalDAV/CardDAV suite and sync app for Android. You can also access your online files (WebDAV) with it.
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📆 Calendar app for Nextcloud
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🗓 A modern, simple, feature-packed, fully translatable admin interface for sabre/dav based on Symfony 7 and Bootstrap
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Tatuin (Task Aggregator TUI for N providers)
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DavMail POP/IMAP/SMTP/CalDAV/CardDAV/LDAP Exchange and Office 365 Gateway - Synced with main subversion repository at
↑ +1 today
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