frappr - http://www.frappr.com/
Create a map for your group and invite people around the world to add themselves to it. Share photos, favorite places, messages and more together - [Read more]

mapmix - http://www.mapmix.com/
In a nutshell, Map Mix takes people that are online and looking for someone to talk to, and gives them a visual search tool. You can talk to people down the street from you, or find someone across the country to find out what is going on out there. - [Read more]

fotogopo - http://www.fotogopo.com
A MASHUP of Google Maps, geocoder.us, and over 800,000 street level photos arranged by latitude and longitude. - [Read more]

garbage scout - http://www.garbagescout.com
New York City's streets are full of interesting and potentially useful things that have been thrown out. If you see something good, snap a picture of it with your camera phone, and email it to GarbageScout. It will go up on the home page and others can - [Read more]

PervWatch - http://www.pervwatch.org/
This site aims to make it easy for anyone to quickly find sex offenders in a graphical way. Many of the state registries fulfill the purpose of making the data freely accessible, however it can be difficult and time-consuming to determine just how many li - [Read more]

planiglobe - online map creation - http://www.planiglobe.com/omc_set.html
Online Map creation - [Read more]

Platial.com - http://platial.com/splash
Add a place or location on a map, or find places to go from the locals! - [Read more]

plazes.beta - http://www.plazes.com/
Plazes puts physical presence to the web. Plazes automatically detects your location and connects you to things nearby. See people in your area, discover other Plazes nearby and keep an eye on the whereabouts of your friends. - [Read more]

Tagzania - http://www.tagzania.com/
Tagzania is about tags and places. If you register and log in, you can add places, points, to create and document your maps. When you add a point, you may tag it with keywords. That way, Tagzania is not only a place to build and keep your own maps, shared - [Read more]

Wayfaring - http://www.wayfaring.com/
Create personalized maps, share them with your friends, and explore maps created by others. - [Read more]