Nominatim's service is used for geocoding location searches.
A configurable lightbox with EXIF and GPS mapping support that works with native Wordpress galleries and images.
Geotag your posts with Bloom to create a local search and mapping visuals for your readers.
The easiest tool available for creating geo-tagged photo galleries. Display photos & their geographic location in a great-looking slider gallery
Allows Domain Mapping for WordPress MU (sub-domain and sub-directory installations).
The easiest tool available for creating custom & great-looking Google Maps. Add multiple pins and customize maps with drag-and-drop simplicity.
Add maps to your posts or pages, embed Microformat Geo or Adr, and output GeoRSS and KML.
Sorry, discontinued
Serves a specific page or post from WordPress depending on the domain used to access your WordPress site.
Enhance the look and feel of GEO my WP's "Current location" widget/shortcode form. Easily modify or create you own forms to improve user's experience.
This plugin supports multiple markers per map! Kudos to yohman for his plugin:
http://wordpress.org/extend/plugins/google-maps-v3-shortcode/
Introducing a unique and ultra-modern location management system that lets you add a Location Finder option directly to your site.
This plugin allows you to add one or more maps (via the Google Maps v3 API) to your page/post using shortcodes.
Quickly transfer structured content to and from your GatherContent projects and your WordPress site.
Map My Posts allows you to display a Google Map or Geochart visualization, associating map locations with your existing categories or tags.
Add incredibly powerful Google Maps with Mapify Lite: Custom image mode, tooltips, per-location photo/video galleries, & more!
MapJam is a personalized mapping platform giving individuals and organizations the easiest way to personalize and share maps!
Add incredibly powerful Google Maps with MapMaker: Custom pinpoint graphics, tooltips, per-location photo/video galleries, & more!
MapJam is a personalized mapping platform giving individuals and organizations the easiest way to personalize and share maps!