Clock! is a small transparent clock that you can use to decorate your desktop. It is very easy to use; its settings do not require any special knowledge. Regarding setting, you can set the clock to remind you of your important dates and events such as appointments. It also allows you to customize the interface according to your preference. For example, you can change the background with your favourite image, change its size with predefined templates or use your own size, change the colours. In addition, you can select among 5 themes to change its appearance. Clock! is a configurable clock, lightweight and totally free.