GeoRSS is a standard for adding location information to an RSS feed. Example applications include travel blogs, news feeds, and real time earthquake feeds. Location information is typically a point location, but it can also include geographic lines, polygons, and related feature descriptions. Many online mapping services support GeoRSS, allowing map "mashups" to be easily created.

This article was previously published on GeoChalkboard, and has been reproduced here with permission. It is based on a sub-section of the Geospatial Training Services course Google Maps for your Apps.

The Google Maps API Utility Library contains a number of useful classes that you can add to your Google Maps application. Each class is contained in an open source JavaScript format and contains unique functionality. Some of the more useful functions provided include Marker Manager for efficiently adding a large number of markers to your application, Extended Large Map Control for displaying an alternate zoom and navigation control, Progress Bar Control for adding a progress bar to your application, and many others. Each class is located in an individual JavaScript file that you can access through the use of a tag.

This article was originally published by GeoConnexion in their OSGEO sponsored 'Open Sources' column. It is reproduced here with the full permission of the author, Dane Springmeyer.

GeoDjango is a set of extensions to Django, the popular open source web content framework, allowing for easy portrayal of geospatial data inside your web portal.