Time

Petals

Take control of your weed consumption

Yatoo

Yet another todo app

Al-Azan - Prayer Times

Privacy focused open-source muslim Adhan (islamic prayer times) and qibla app

TimePlanner

Convenient and fast task planning for the day

Inner Breeze

A dedicated meditation app to guide and track your Wim Hof Breathing practice.

plees-tracker

Plees Tracker is a simple sleep tracker for your Android phone.

CalEF (Calendar Entry Formatter)

Create and send Appointment-Confirmation-Message from Android-Calendar-Entry.

Cuppa - Tea Timer

Time your tea as it steeps

Suntimes

Sunlight and moonlight times (and alarms)

Tasky

Tasky is a highly intuitive and easy-to-use todo list app

Nanji clock widget

Clock widget for language learners

MinCal Widget

Minimal Calendar Widget

BetterCounter

A simple, multi-purpose counter app

Goodtime - Minimalist Pomodoro Timer

Productivity timer designed to keep you on track and free of distractions

Etar - OpenSource Calendar

Etar is a material designed open source calendar, for everyone!

Casio G-Shock Smart Sync

Add smart functions to your Casio square BT G-Shock (B5600, B5000, B2100)

Linwood Flow

Feature rich event, group and time managment system

Persian Calendar

Android Persian Calendar

QRAlarm

Disable alarms with a QR scanner

Friend Alert

Nurture distant friendships with timely reminders

Elements

Chinese zodiac five elements as a pageable calendar

Overload

Overload is designed to facilitate time tracking for everyone.

Cofi - Brew Timer

Open-source coffee timer. Easy-to-use interface. Perfect cup every time!

Boardgame Clock (Privacy Friendly)

(SECUSO) Boardgame Clock offers timers for boardgame time tracking

Ubuntu Countdown Widget

Keep an eye on the days remaining before the new release of Ubuntu!

10-bit Clock Widget

A beautiful BCD clock for your home screen

Timer +X

Create alarms for predefined time increments

TimeLimit.io

Flexibly limit the usage duration

RxDroid

Reminds you of your medication schedules

Giggity

Schedule viewer for conferences and other events