Instead of making you start and stop timers, the menu bar app Timing automatically records which Mac apps, websites and documents you use.
With TinyStopwatch you can easily keep track of the time you spent on work or other activities. During use, the time and current status (running, paused, stopped) are displayed in your menu bar.
With Twizzy you can use Twitter DMs and tweet directly from you menu bar.
World Time In Words takes you away from numbers. This menu bar app displays your current time and date in words. Optionally, it can be set to display a number of time zones.