Social Source Commons

3D Route Builder is a powerful utility for fine grain control over paths directly in Google Earth.

Arc2Earth was created to convert and publish your ArcGIS data to view in Google Earth, Google Maps or Virtual Earth

Satellite Dish Pointer / Alignment Calculator with Google Maps

Geographic.org offers free, downloadable maps and flags from around the world. Ideal for finding graphics for international presentations. Additional features include a list of country and airport codes.

Google Earth combines satellite imagery, maps and the power of Google Search to put the world's geographic information at your fingertips.

The Google Maps API lets you embed Google Maps in your own web pages with JavaScript. The API provides a number of utilities for manipulating maps (just like on the http://maps.google.com web page) and adding content to the map through a variety of services, allowing you to create robust maps applications on your website.

Gives directions using public transit in certain municipalities.

Ipoki is a GPS-based social network.
Ipoki lets you connect with others to share geolocation information.

Simple interface for building interactive Google maps

The MapPoint System is an integrated set of products, servers, and services that helps businesses to improve their results by applying mapping and location.

MapTube is a free resource for viewing, sharing, mixing and mashing maps online.

Use Mapwing to turn your digital photos into virtual tours that include interactive maps, images, and comments.

The Minimap Addon gives you a suite of in-built maps and mapping tools for Firefox.

Define, map and analyze neighborhood information using preloaded information

Free, Open dynamic web mapper. (An alternative to Google/Yahoo Maps)

Platial enables anyone to find, create and use meaningful maps of Places that matter to them.

Provides basic geospatial capabilities for Plone, enables content to be marshalled into Google Earth or OpenLayers maps.

Geotagging solution for Mac. It allows you to easily add to your photos and home videos the location where they were taken.

Firefox add-on containing Mapquest, stock quotes, and weather.

A full-featured, Free Source Software (GNU/LGPL), multilingual, Wiki/CMS/Groupware written in PHP and maintained by an active and international community of volunteer contributors.

Major features include articles, forums, newsletters, blogs, a file/image gallery, a Wiki, drawing, trackers, a directory, polls/surveys and quizzes, a FAQ, chat, a banner management system, Webmail, a calendar, maps, charts, Mobile Tiki (PDA and WAP access), RSS feeds, a category system, a theme control center, workflow, live support, Shoutbox, ACLs, and more.

Social networking site based around personalized maps.

ZMaps is a set of online tools based on Google Maps and Yahoo Maps.