All-in-one Mail & Collaboration server. Secure, scalable and fluent in every protocol (IMAP, JMAP, SMTP, CalDAV, CardDAV, WebDAV).
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QOwnNotes is a plain-text file notepad and todo-list manager with Markdown support and Nextcloud / ownCloud integration.
Task manager with Todoist, Nextcloud & CalDAV support designed for GNOME
A simple CalDAV (calendar) and CardDAV (contact) server.
SOGo is a very fast and scalable modern collaboration suite (groupware). It offers calendaring, address book management, and a full-featured Webmail client along with resource sharing and permission handling. It also makes use of documented standards (IMAP, CalDAV, CardDAV, etc.) and thereby provides native connectivity (without plugins) to many clients such as Microsoft Outlook, Apple iCal, the iPhone, Mozilla Lightning, and a plethora of mobile devices.
Built from the ground up for speed. Flectar Mail delivers native performance, instant startup, and as little as 80 MB of RAM.
sabre/dav is a CalDAV, CardDAV and WebDAV framework for PHP
Calendar sync tool & universal calendar MCP server. Aggregate, sync and control calendars on Google, Outlook, Office 365, iCloud, CalDAV or ICS.
DavMail POP/IMAP/SMTP/CalDAV/CardDAV/LDAP Exchange and Office 365 Gateway - Synced with main subversion repository at
🗓 A modern, simple, feature-packed, fully translatable admin interface for sabre/dav based on Symfony 7 and Bootstrap
Manage My Damn Life (MMDL) is a self-hosted frontend for managing your CalDAV tasks and calendars.
A CalDAV/CardDAV server backed by Git
Web based groupware server written in PHP, forum at https://help.egroupware.org/
Node-RED module to get events from a iCal Calender (Google e.g.), icloud or Caldav Server via kalender-events
tine groupware main repository
Gets events from an ical-URL/file, a caldav-server or from the iCloud.