Send messages via e-mail to your contacts to alert them when you are running late, with the excuse you'll have picked up from your list, and your location through a Google Maps link !
In English, Spanish and French.

Use this app to save any location that you'd like to return to; a parking spot at the airport, shore house, hotel, spot on the beach; wherever you need to return to! This features Google Maps for larger distances and a "Radar screen" with continuously refreshing location updates and accurate location determination.

Save up to 6 locations that you can Name and Date to keep your locations organized! Use this app to save your parking spot at the airport, shore house, hotel, spot on the beach or the concert; anywhere! Exiting My Finder turns off your GPS to save your battery! Same Google Maps and Radar features as Free Version.

gOmniTracker allows your Android to keep track of the members of your family, friends, or team, while your are on-the-go, or from your desktop. It alerts you when a device cross the boundary of a red zone, or over speeding on the high-way. It displays location history of devices, plus many more features. gOmniTracker allows you to share locations between friends, who do not share the same account. You can hide, share, or remove your visibility to any of your friends at any time.

321Track Me Premium is a small program that you can install in your Android mobile that allows you to share your position in realtime with somebody, using only an Internet browser.

http://321trackme.appspot.com/

In addition to free version, Premium version has higher refresh rates.

Donate Version (Donations can also be made trough the project site)
Market-Enabler is an application to fake the phone's location and access google's market from other countries. Android market is separated into regions (country and carrier specific) and some apps are just enabled for a specific country and not available to the other countries.

Important notes: You need a rooted phone, a working su app and the grep command installed.

One click to mark the place you want to remember, and another click to go back!

Toggles WiFi on/off with proximity to networks, using cell towers recorded while this service is running and connected to those networks. Please report issues to wapdroid.com.
*Eris & Sprint Hero w/Android 1.5 Cupcake do not provide cell tower info as HTC incompletely added CDMA which is not officially supported by Android.

How good is your cell/mobile network coverage where you need it?
Is your favorite WiFi network going to be available at your vacation spot?

See the answer with this app and join us to build worldwide coverage maps.

(Data collection is configurable and can be turned off. Collecting a lot? Phone is hot? Check "save on data plan" in settings).

Reminder based on your current location. Location can be specified by address (road, city, feature, etc.), or selected from the map. It will remind you when you are close to a specified location.

this will show the where the lightning was hit

Been there? Leave a virtual Graffito! Taggers is a location-based micro-blogging (Graffiti), reminders (My Notes), and private messaging (1-to-1) service. You can also comment and discuss others' Graffiti. Taggers Widget keeps you aware of any Graffiti, reminders, and private messages for your current location.

Application which shows your current location using GPS and allows you to send the coordinates using SMS as Google Maps links.

Share your current location simply!

Chain Gang knows most every fast food chain in America. Instantly shows which locations are closest to you, where your closest favorite is and more. Voice or touch activated. Chain radar and pointers guide you to locations. See www.woodmanexp.com for complete details.

Install and Configure with -Alternate Phone Number -email address -PIN number and Keep service and GPS ON. 1. Send SMS "androcop pin" to instantly know the location of phone. 2. If SIM card is changed by anyone get phone's location automatically by SMS(in alternate number) and email.

Care about your communities by knowing what people near you are thinking, saying, doing, selling, wanting and needing. With a patent-pending Search By Route technology, you can also connect with people or objects of interest along travel routes when you are on a trip.

For more information, please visit www.fleapapa.com.

Want to know where you are relative to specific places important to you? Or where to go?
Point shows it to you in one glance!
Add your own points of interest. Mark your current spot before taking a stroll to easily find your way back.
Or ask Point to give you a sign when you’re near an important spot.
Point points it out the easy way!
Where you are, and where to go, tailor made by you!

Loosely inspired by the traditional "Spin the Bottle", A World Of Photo is a casual, geo-multiplayer online game with with a social touch.

This application let you know where is the antipode of a given location.