Replace your Clock. 61 alternatives. 61 open source, 0 closed.

A beautiful BCD clock for your home screen

Wakes you within a 30-min window when you start stirring

An alarm clock

Alarm, clock, timer and stopwatch with advanced alarm tools

An Always On Clock for Android.

Simple analog clock widget

Astronomically correct 24-hour clock: the Sun is the hand, the star sky turns

AMOLED-black monochrome binary-clock home-screen widget

Modern and powerful clock, alarms, timer and stopwatch.

Alarm, clock, timer and stopwatch mode

Fullscreen Analog- and Digital Clock with Alarm, Event & Battery View

Privacy focused clock app build with MD3

Clock + Calendar combo widget for Android

Alarm app for shift schedules — repeats every N days, not just weekly

A dozenal (duodecimal, or base-twelve) clock and homescreen/lockscreen widget.

Low brightness clock

Time display for nerds: Unix, sidereal, binary clocks & more.

Blink the terminal when receiving a call, SMS or an application notification

Turn on flashlight/torch when alarm goes off.

Handy, lightweight, open-source clock app with essential features.

Stopwatch and clock with giant digits

Comprehensive Azkar & Dua app from Hisn Elmoslem.

A minimalist hourly chime.

Clock widget

A free and open source app that shows a large digital clock

Your birthdate turned into a live dashboard of numbers about your life

Reminds you at the right place

Wake up with light! This alarm can only be turned off when your room is bright

A simple open-source clock app

Flexible no-frills alarm scheduler, free and open source

Widget, which shows the time in German words based on fractions

A Module for MAXS

Shows the current metric time in a widget on the home screen

Clock widget for language learners

Mix nature sounds—ocean, rain, forest, storm, city—and set a sleep alarm

Customizable and feature-rich alarm clock app.

Clock, screensaver & radio with dynamic brightness & custom layouts.

Premium privacy-first Islamic companion: Quran, Qibla, Adhan, & Habit tracking.

A clock for solar time in the octal number system

Alarm reminders which delete themselves automatically after firing.

Roman Timekeeping (Unequal Hours) Widget

Disable alarms with a QR scanner

Set alarms for a specific date in the future (alarm, not a reminder!).

Open-source recurring reminders, many timers, own schedules, no tracking.

Full-screen digital clock and dock screensaver for old Android phones.

Digital Clock App and Widget with Roman Numeral Display

Clock with seconds as widget or fullscreen

Custom always-on display with a clock, battery, notifications and music status

A smart shift calendar

Full featured Cross Platform OpenShock Client optimized for Mobile usage

Improved alarm clock

Quickly create reminders and get notified later

Fixed and random reminder scheduler.

Align your biorhythm with the sun

Sunlight and moonlight information (clock, alarms, tiles, and widgets).

Internet Time clock and converter

Alarm clock based on NFC tags

Quick shortcut for setting alarms based on your preferred amount of sleep.

A simple alarm application using ytdl-android.

Offline world clock with a home-screen widget and time-zone converter.

Seasonal time system clock 不定時法時計 ウィジェット