Hunt for real mysteries hidden in your locality using your iPhone. Participate with your community of friends or workers to win points by being first to solve a mystery. Decipher photos and clues on the way to and surrounding the mystery target. Each member can create multiple hunts to maintain viral interest.

http://www.scavenger-hunt.mobi

Send Free SMS from your iPhone, even international SMS.

http://sms.dynadel.com/

TapCard allows you to send your info as a “business card” directly from your iPhone. Allows you to send all of your info, or any subsets.

http://www.tapcard.com/

A free Japanese-English dictionary designed specifically for the iPhone. Search English or Japanese words (using romanized Japanese).

http://usknitting.com/dictionary

Foreign language phrase translator with visual and AUDIO pronunciation.

http://www.coolgorilla.com/iphone/translator/languages.html

Post note and check for new tweets from your active life. “View New” feature only downloads new tweets to save massive loading time over the slow EDGE network. Operate one-handed with easer. If you are like us, you’re usually juggling more than just your tweets. We’ve made this interface simple but effective, and we hope you enjoy it as much as we do!

http://itweet.net

One touch dialing of phone services such as Free411 and more.

http://cocoaapp.com/callme/

This app allows you to send free text messages from your iPhone. Nifty app which just uses data.

http://www.txtdrop.com/iphone/#_sms

Translate from English to Chinese and vice versa on your iPhone!

http://www.iphonecedict.com/

iPhone Connect is a nifty way to manage your apps, RSS feeds, and friends.

http://iphong.com/iphone/