Dubbed Rode Dog, the prize-winning software allows friends and family to organize themselves into "packs" and monitor their text messaging habits.

ENGADGET: 11-year-old wins $20,000 at AT&T hackathon for creating app that discourages texting while driving

Still the big dog in e-commerce infrastructure software.

FORBES: CLASS STARS: 1995-2000

Another possibility is Apple, current top-dog in the small but rapidly growing market for legal music downloads with its iTunes software.

ECONOMIST: Microsoft