Keeper.sh

Day planner with drag-and-drop time blocking, inbox, recurring tasks, habits, routines, goals, projects and Pomodoro focus mode, plus iCal and CalDAV calendar sync. Data stays in the browser, with optional WebDAV or GLAN

Manage my Damn Life (MMDL) is a front end for managing your CalDAV tasks and calendars.

Simple calendar and contact server with extremely low administrative overhead.

CardDAV and CalDAV server with minimal administrative overhead, backed by a Git repository.

Simple, dockerizable and fully translatable admin interface for sabre/dav based on Symfony 5 and Bootstrap 4, largely inspired by Baïkal.

POP/IMAP/SMTP/Caldav/Carddav/LDAP exchange gateway allowing users to use any mail/calendar client with an Exchange server, even from the internet or behind a firewall through Outlook Web Access.