Always On Clock
An Always On Clock for Android.MIT
Analog Clock Widget
Simple analog clock widgetMIT
Time Clock
Keep track of the time you spend doing the things you want with this appMIT
Polar Clock
A polar clockGPL-3.0-or-later
16-bit Clock Widget
Binary clockGPL-2.0-or-later
Simple Alarm Clock
Improved alarm clockApache-2.0
Minecraft Clock
Minecraft clock widgetApache-2.0
Dozenal Clock
A dozenal (duodecimal, or base-twelve) clock and homescreen/lockscreen widget.GPL-3.0-or-later
24h Analog Clock
Clock WidgetGPL-3.0-only
Clock Live Wallpaper
LiveWallpaper featuring a clockMIT
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
Decimal Time Clock Widget
Shows decimal clock as a widgetGPL-2.0-or-later
Alarm Clock
Disable alarm by solving a math problemApache-2.0
Unix Time Clock Widget
Show Unix Epoche as a widgetGPL-2.0-or-later
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