Clock

A simple open-source clock appGPL-3.0-only

Always On Clock

An Always On Clock for Android.MIT

Analog Clock Widget

Simple analog clock widgetMIT

Clock You

Privacy focused clock app build with MD3GPL-3.0-only

Time Clock

Keep track of the time you spend doing the things you want with this appMIT

Simple Alarm Clock

Improved alarm clockApache-2.0

Dozenal Clock

A dozenal (duodecimal, or base-twelve) clock and homescreen/lockscreen widget.GPL-3.0-or-later

10-bit Clock Widget

A beautiful BCD clock for your home screenGPL-3.0-only

Valentin's PowerTools #016 - Tomato Potato Clock

Distraction-free pomodoro timerGPL-3.0-only

Chess Clock

Adjust your favorite timer to play chess online with friends!MPL-2.0

Nanji clock widget

Clock widget for language learnersApache-2.0

Swatch .beat clock

Internet Time clock and converterGPL-3.0-or-later

Blitz: Fischer Chess Clock

A minimalist Fischer chess clock for Android.Apache-2.0

Simple Chess Clock

Two touchable chess timersGPL-3.0-only

Boardgame Clock (Privacy Friendly)

(SECUSO) Boardgame Clock offers timers for boardgame time trackingGPL-3.0-or-later

Clock Screensaver

Fullscreen Analog- and Digital Clock with Event ViewGPL-3.0-or-later

NFC Alarm Clock

Customizable and feature-rich alarm clock app.GPL-3.0-or-later

Clock

Alarm, clock, timer and stopwatch modeApache-2.0

Fossify Clock Beta

Handy, lightweight, open-source clock app with essential features.GPL-3.0-only

おやつ Oyatsu

Seasonal time system clock 不定時法時計 ウィジェットGPL-3.0-or-later