Clock Tab - Clock tab allows you to view the time right in your web browser!
AlarmDroid - AlarmDroid is an alarm application that is only available on Android devices and possesses many interesting features.
Free Vector Clocks - Free Vector Graphics Desktop Alarm Clocks.
Google Clock - Google Clock is an application of Google Inc.
Onlive Clock - Onlive Clock: an alarm clock, a calendar, a stopwatch, a timer, a kitchen timer, a countdown timer to any date, a Christmas countdown, a metronome.
Talalarmo - Minimalistic android alarm