Must-have Motorola Droid apps

Let's just go wide-open this week. We've got 10 Otterbox Commuter Series cases for the Motorola Droid to give away. And so, Droid owners, we ask you: What are your must-have apps for one of the most popular Android devices around?

Reply in this forum thread and you'll be automatically entered to win one of the 10 cases. We'll take entries through Thursday, April 29. Good luck, everyone!

What's your favorite app on the Motorola Droid?