Replies to incoming SMS messages with your location (Lat/Lon, address and link to Google Map). Location can also be emailed.
Incoming SMS messages must start with a configurable "secret code".
Also has a manual mode to send your location.
Lite version is free but only accurate to 1km. For accuracy to 10m, try the full.
Tags: locate sms , locate by sms , smslocate , sms locate , sms location , locate with sms , smslocate lite , locate droid sms , locatebysms