CalDAV calendar apps

Members by activity

Activity signals, not revenue.

1. 01lucid1★12 days—hobbySelf-hosted web app that connects to CalDAV servers to display calendars and tasks with drag-and-drop scheduling and to-do checklists.
2. 02clockenstein0★6 daysliveopen sourceCalendar application that manages events across local, Google, and CalDAV calendars in one place.
3. 03movie-planner0★1 moliveopen sourceCommand-line tool that logs watched movies and syncs the list to a CalDAV calendar.
4. 04omacal-bin0★26 daysliveopen sourceDesktop calendar app that syncs with Google Calendar, iCloud, and any CalDAV server.
5. 05meridian0★24 dayslivehobbyDeclarative calendar sync service that mirrors events between Google Calendar and CalDAV calendars as privacy-transformed copies according to rules.
6. 06caldr0★21 daysliveopen sourceCommand-line calendar app that syncs events with CalDAV servers and provides a lightweight terminal interface.
7. 07Eventix0★1 moliveopen sourceDesktop calendar and task manager that syncs with CalDAV and Microsoft 365 accounts, offering multiple views, alarms, and system tray reminders.
8. 08KashCal0★13 daysliveopen sourceCalendar app that unifies iCloud, CalDAV, device, and ICS calendars into one view with scheduling, widgets, and on-device time insights.
9. 09keduly0★8 days—hobbyCalendar and task manager that merges events and tasks into one timeline, lets AI agents propose scheduling changes, and syncs with CalDAV.
10. 10Gpuical0★2 days—hobbyDesktop calendar application that syncs with CalDAV servers for self-hosted event management.
11. 11private-calendar0★8 dayslivehobbyWeb calendar that manages events through CalDAV servers, offering multiple views, reminders, and ICS import/export while keeping calendar data on the user's server.
12. 12outlook-google-calendar-bridge0★4 days—Self-hosted calendar sync app that aligns Outlook and Google calendars, offering previews, bounded writes,and private event defaults.
13. 13DAVx⁵0★13 daysliveopen sourceAndroid app that synchronizes contacts and calendars with CalDAV/CardDAV servers, integrating them with the device's native calendar and contact apps.
14. 14DankCalendar0★1 moliveopen sourceDesktop calendar application that unifies local, Google, Microsoft, CalDAV, and iCloud accounts with syncing and event reminders, for Linux desktop users.
15. 15plasma6-applet-caldavtasks0★2 moliveopen sourceDesktop widget that displays and manages to-do tasks synced from any CalDAV-compatible calendar server.
16. 16openslot0★1 mo—hand-codedhobbySelf-hostable appointment booking page that shows free slots, syncs with CalDAV calendars, and sends email confirmations with calendar invites.
17. 17Planify0★1 moliveopen sourceTask management application with calendar integration, labels, reminders, and cloud synchronization across Todoist, Nextcloud, or CalDAV accounts.
18. 18Errands0★9 mostaleliveopen sourceDesktop to-do application for managing multiple task lists with sub-tasks, completion tracking, and syncing to Nextcloud or other CalDAV providers.
19. 19smart-sync-google-calendars2★10 mostale—ai-builthobbyTool that synchronizes events from multiple Google Calendars into a single unified calendar view automatically.
20. 20thunderbird-tbsync0★2 yrabandonedliveopen sourceThunderbird extension that synchronizes contacts, tasks, and calendars with Exchange, CalDAV, and CardDAV servers.

Ranked by traction, highest first, and paged 20 at a time — this is a window on the cluster, never the whole of it. Ties are broken by a stable id so a product cannot appear on two pages or fall between them. Browse every cluster.