WakeMeUp! is an advanced alarm clock for computers.
WakeMeUp! is an advanced Alarm Clock for computers with Windows 2000, XP or Server 2003.
It can gently wake you up, notify you about an event, play chime at the beginning of an hour. A fade-out timer will help you to fall asleep and will put your PC in sleep mode when done. All these features turn WakeMeUp! into a complete PC scheduling system.
WakeMeUp! is built on its own scheduling engine. Therefore it doesnt depend on Windows Task Scheduler service and is free from its limitations, such as uncomfortable alarm configuration or the need to provide a login/password to enable its RunAs capabilities.

Thats a list of WakeMeUp! features:
It can resume your computer from any Stand By mode (S1, S3 or Hibernate)
It works in background
Theres no alarm you cant set-up with WakeMeUp!
Tolerance against power failure
MP3 (MPEG1 Layer 3), WMA (Windows Media Audio), OGG (Ogg Vorbis), CDA (CD track), WAV or M3U (playlist) Playback
Internet Radio support
SoftASleep fade-out timer
Chime function
Command line Execution
Skins and multilingual support

you can free download WakeMeUp 1.8.5.34 now.