F-Droid Search: calendar

See birthdays and other events from your contacts in your calendar.GPL-3.0-only

FoCal enables you to create your personal photo calendarGPL-3.0-or-later

colorful, text-based calendar widgetGPL-2.0-only

A simple launcher with an app list, calendar agenda and music controlsGPL-3.0-only

Clock + Calendar combo widget for AndroidGPL-3.0-only

Minimal Calendar WidgetBSD-3-Clause

Search apps, contacts, files, settings, calendar, and the web from one barMIT

Chinese zodiac five elements as a pageable calendarMIT

End-to-end encrypted sync for calendar, contacts, and tasksGPL-3.0-only

Secure, private and end-to-end encrypted calendar, contacts and tasks syncGPL-3.0-only

Tasks, notes and calendar over CalDAV — or local-only on your phone.GPL-3.0-only

A mix between a calendar and a clock that makes you wait faster.GPL-3.0-only

A calendar provider add-on for Suntimes.GPL-3.0-or-later

145kB aesthetic todo list app with calendar, reminders, sync and widgetsGPL-3.0-only

Recipe manager, cooking assistant, seasonal calendar: the eco-friendly cookbook.GPL-3.0-only

Import Facebook-Events to the calendarGPL-3.0-only

A smart shift calendarGPL-3.0-only

Conway's Game of Life screensaver for Onyx Boox devicesMIT

One phrase — and it's on your calendar. No forms, no fields.GPL-3.0-only

Goals, checklists, tasks, repetitive tasks, calendar and 24/7 time tracking.GPL-3.0-or-later