iLOCi2 and LOCiMe are powerful GPS People Finder Applications that allow you to locate your friends, children and co workers and transmit your location to others. The LOCi suite of GPS Personal Location Services currently works with the Apple iPhone (some apps on the iPod Touch), with Android and Blackberry phones soon to follow.

iLOCi2 Free Lite version allows you to store 2 users, the Full Version allows up to 8 users, Platinum up to 24 users and an unlimited Enterprise version coming soon. Some popular ways to use iLOCi2 include: Find your son or daughter's location, pinpoint a colleague, coworker, loved one, faster than a phone call or a text message. One button access to your friend's list provides peace of mind and location awareness without violating anyone's privacy.

LOCiMe turns your iPhone into a 2-way GPS transceiver, sending your location to a friend, family member, loved one, colleague instantly via the GTX PLS Viewing Portal. Some popular ways to use LOCiMe include: Track an athlete, Keep tabs on "wanderers" such as Alzheimer's patients, a child, a loved one, the uses are endless.

There is a free version to play with, check it out!!
http://www.locimobile.com