6 of 10
MixMeister Scratch
MixMeister Scratch
Price: Free
Developer: MixMeister
What it does: Amateur deejays can use their fingers to scratch beats over any song available. The sound effects range from "hip hop beats" to "the atomic bomb."

NEXT: More Cowbell
Last updated September 23 2008: 5:20 PM ET
7 cool new smartphones Once reserved for business executives, smartphones today are thinner, sleeker and available in colors like pink and aquamarine. More
What's everyone yelping about? Or is it digging? Or ninging? Zyng-ing? A rundown of some Web 2.0 startups getting a lot of buzz. More
Top 10 luxury rides For those who want the best of the best, here they are. Plus 20 more options to consider. More