Boardgame Clock (Privacy Friendly)

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

Meeting Cost Clock

A Time-is-Money Stopwatch for MeetingsGPL-2.0-only

Clock Screensaver

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

Clock

Alarm, clock, timer and stopwatch modeApache-2.0

SecondsClock

Clock with seconds as widget or fullscreenGPL-3.0-or-later

Fossify Clock Beta

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

RvClock

Clock widgetGPL-3.0-only

Clock31

Clock + Calendar combo widget for AndroidGPL-3.0-only

Hayago

A minimalist go/chess clockMIT

Giant Stopwatch

Stopwatch and clock with giant digitsMIT

MorphClock

Bedside clockApache-2.0

Just 24 Hours

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

Japanese Traditional Time

Clock widgetMIT

Alarm Klock

An alarm clockApache-2.0

RomanDigital

Digital Clock App and Widget with Roman Numeral DisplayApache-2.0

ChessWatch

Simple chess clockGPL-2.0-only

Fake Dawn

Gentle alarm clockGPL-3.0-only

Dynamic Night Light

Low brightness clockApache-2.0