Gisgraphy is available in multiple ways and addons :
OpenSearch Module
OpenSearch is a collection of simple formats for the sharing of search results.
It is supported by
Internet Explorer (for versions >= 7)
and
Firefox (for versions >= 2).
It give the possibility for users to add search engine in the search box of the browser :
OpenSearch in Internet Explorer 7 :
OpenSearch in Firefox :
To add Gisgraphy in firefox, Go to the
fulltext search page, simply click on the menu of the searchbox and select "add gisgraphy", then you will have the ability to do search with Gisgraphy :
You can do the same In Internet explorer :
Note that you can do search even if you're not on the Gisgraphy web site.