TheAppleBlog

Easy Wakeup is an advanced alarm clock, designed to gently nudge you from your slumber, helping you wake up alert and ready to tackle the day’s tasks.
For some of us, sleep is a real bane — an interruption to what would otherwise be the perfect non-stop working schedule. To others, settling in to the glorious [...]

I watch a lot of videos on various sites including Youtube, Google video, etc., and one of my main gripes with the sites is that video does not make your mac think it is busy so it constantly falls asleep while playing a single clip.
In comes the freeware application Caffeine.
Caffeine is a tiny program [...]