TransforMap - There are Plenty of Alternatives. TransforMap makes them visible.
Glympse - Glympse is the easy way to safely share your location in realtime. No sign-up needed.
TICE - TICE App – Find, locate and meet friends, family and others easily and securely. Share your location with others, set meeting points and see, when and how everyone arrives. Available for iPhone now!
Facebook Places - Let your friends help you discover restaurants, hotels, museums and more.
Zood Location - Share your location with each other, so you can make sure everyone is safe with a quick glance at your phone.
Umapio - Umapio is a map showing your friends and strangers. Make friends all over the world!