can train

Desktop trash can with trash level indication.

Add a desktop trash can to OS X.

Force-empty your trash can.

Works out the chords to almost any tune you can sing.

Limit the time a user can be on the Mac each day.

PixelStick can measure distances, angles and colors in any app.

Using Home Image Effects you can image transform, crop, noise...

Uusher Audio Converter for Mac can convert all the video to audio files.

one of the best dvd ripper software, can rip DVD to MP4, H.264, AVI etc

It can rip DVD to Apple TV video MP4 to put DVDs on video iPod for Mac users.