3-2-1 is a simple yet functional countdown timer for Dashboard. It displays hours, minutes & seconds, and includes a lap function and a supersize. The preferences enable custom labels, alarm sounds, and notifications for each countdown.
This small app monitors how much time you spend in each application, automatically.
ActoTracker is an application for keeping track of activities on your desktop so that you don't have to.
Alarm Clock Pro
(shareware) Alarm Clock Pro is not just an alarm clock ? it is a digital companion.
Apimac Timer is a complete and professional stopwatch, alarm clock, countdown and clock utility for Mac OS X.
Event Reminder is an application that will remind you of important events such as birthdays and anniversaries in an easy to view table. You can use events from a text file, Apple's Address Book or iCal applications, and even Palm Desktop.
Hot Plan is a multi-purpose personal planning tool designed to help users collect and manage their thoughts, ideas, projects, but also bookmarks, links and text clips.
Moreover it offers a simple and effective method to associate target dates to actions and receive notifications.
InerziaTimer is a simple application that doubles as a chronometer and countdown timer.
iWannaSleep is a simple timer application. You can set the time after which iTunes is stopped, the computer is put to sleep, shut down or a custom AppleScript is run!
Minuteur is an egg timer and a stopwatch.
myTimer is a simple reminder application.
On The Job
(commercial) On The Job is an unobtrusive, easy to use time tracker. It's not bloated with features you'll never use, yet it's powerful enough to handle all of your time tracking needs.
TheTimer is a small alarmclock to remind you, open a file or app, set your Mac to sleep, shut down, restart, disconnect from the internet or start iTunes after a given number of minutes.
Time Out is a break reminder tool with micro-breaks.
Timer is a simple chronometer application. Enter a value and click Start to count down any number of hours, minutes, and seconds, or start at zero to track elapsed time.
Utility Lock is a custom built Screen Locking mechanism, it was designed after the Apple lock that is available in Apple Remote Desktop, its main purpose however is to serve the users that run programs such as alarm clocks.