You can customize the appearance of the clock by changing its size, font, color, transparency level, format and other values; And you can choose the place where you want to position, on any part of the screen.
As for its function as an alarm, it is possible to schedule reminders on certain dates so that you can notify at the moment by means of a sound, or to execute a program.
CrazyClock is easy to set up, requires no installation, is lightweight and has almost no resources.
CrazyClock 1.5 is the latest version (updated in August 2012) of this utility that you can download free to install on Windows. The .NET Framework 4.0 is required for proper operation.