Sleep Cycle - Bio-alarm clock that wakes you up at optimal times based on your sleep patterns.

Tasker - Tasker is an application for Android which performs Tasks (sets of Actions) based on Contexts...

Sleep as Android - Common alarm clocks ignore your sleep cycles, they wake you on schedule no matter your are currently in your deep sleep. Waking up from deep sleep is unpleasant, it makes you tired and it may negatively affect your productivity during the whole day.

Automate - Automate various tasks on your Android smartphone or tablet.

Sleep Calculator - Want to wake up in a good shape?

Locale - Locale helps content owners and translators work together, so Rails developers are free to write more code