Clock31
Clock + Calendar combo widget for AndroidGPL-3.0-only
Goals Tracker 24/7 - timeto.me
Goals, checklists, tasks, repetitive tasks, calendar and 24/7 time tracking.GPL-3.0-or-later
My Brain
Productivity app for Tasks, Notes, Calendar, Diary, Bookmarks and moreGPL-3.0-only
Quick Search
Search apps, contacts, files, settings, calendar, and the web from one barMIT
Elements
Chinese zodiac five elements as a pageable calendarMIT
EteSync - Secure Data Sync
Secure, private and end-to-end encrypted calendar, contacts and tasks syncGPL-3.0-only
Valentin's PowerTools #036 - Ease The Waiting
A mix between a calendar and a clock that makes you wait faster.GPL-3.0-only
Suntimes Calendars
A calendar provider add-on for Suntimes.GPL-3.0-or-later
NoFb Event Scraper
Import Facebook-Events to the calendarGPL-3.0-only
ShiftSwift
A smart shift calendarGPL-3.0-only
Broccoli: The Green Recipe App
Recipe manager, cooking assistant, seasonal calendar: the eco-friendly cookbook.GPL-3.0-only
Linwood Flow Nightly
Feature rich event, group and time management systemAGPL-3.0-only
KashCal
All your calendars in one app. iCloud, CalDAV, device, ICS. Private.Apache-2.0
Holidayz
Public and Regional Holidays for 100+ CountriesGPL-3.0-only
OneTimeAlarm
Alarm reminders which delete themselves automatically after firing. GPL-3.0-or-later
Casio G-Shock Smart Sync
Add smart functions to your Casio square BT G-Shock Watch.MIT
Reservator
Display availablity of meeting roomsBSD-3-Clause
Timed Silence - Don't let your phone rattle you!
An app that manages your phones volume. It will mute your phone for you!GPL-3.0-only
Diary
Personal diary or journalGPL-3.0-only
Timety
Offline-first productivity, focus, and habit tracking.GPL-3.0-only