MA 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
Simple Alarm Clock
Improved alarm clockApache-2.0
Time Clock
Keep track of the time you spend doing the things you want with this appMIT
Dozenal Clock
A dozenal (duodecimal, or base-twelve) clock and homescreen/lockscreen widget.GPL-3.0-or-later
Clock You
Privacy focused clock app build with MD3GPL-3.0-only
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
Math Clock
Widget, which shows the time in German words based on fractionsGPL-3.0-or-later
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
Backgammon Clock
A flexible two-player backgammon match clock and scorekeeper.MIT
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
Boardgame Clock (Privacy Friendly)
(SECUSO) Boardgame Clock offers timers for boardgame time trackingGPL-3.0-or-later
Simple Chess Clock
Two touchable chess timersGPL-3.0-only
Clock Screensaver & Widget
Fullscreen Analog- and Digital Clock with Alarm, Event & Battery 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