Alarm Clock (applet)
Alarm Clock is a fully-featured alarm clock for your GNOME panel or equivalent.
21 Alternatives To Alarm Clock (applet)
Alinof Timer
Alinof Timer is a very easy to use timer for your Mac.
CookTimer
CookTimer is a simple cross-platform countdown timer that helps when cooking, making tea or eggs.
Date Reminder
Date Reminder reminds you of recurring or nonrecurring events, like birthdays, bills to pay…
Fitari Fitness Alarm Clock
The Fitness Alarm Clock will wake you up by making you stand up and do a number of fitness…
Free Alarm Clock
Free Alarm Clock is a free, full-featured and user-friendly computer alarm clock for Windows.
Gentle Alarm
Gentle Alarm can consider your sleepcycles to wake you up when you are in light sleep.
Gnome Clocks
Clock application designed for GNOME 3
Google Clock
Google Clock is an application of Google Inc.
Hourglass
Hourglass is the most advanced simple countdown timer for Windows.
Insane Alarm
Wakes you up no matter what! Features
obscenely loud blaring emergency alarm sound.
KTimer
KTimer is a little tool to execute programs after some time.
Scheduled tasks
GNOME GUI for configuring a users’ cron (automatic jobs). Some of its features are:
Simple Alarm Clock
Simple open source alarm application for Android devices.
SnapTimer
SnapTimer is a simple, free, portable countdown timer for Windows.
System Scheduler
System Scheduler for Windows, Free Task Scheduler Software replace Microsoft Windows Task Scheduler
Task Scheduler
The Task Scheduler enables you to automatically perform routine tasks on a chosen computer. Task Scheduler does this by monitoring whatever criteria you choose (referred to as triggers) and then executing the tasks when their criteria are met.