You can get a geo postcode for any location in Ireland at this site. The code - Called a Loc8 Code is directly related to Ireland's ITM grid system and as well as being useable on the web it is also currently being tested on Garmin SatNav's.
Trimble provides positioning solutions enabling professionals in engineering and construction, surveying, agriculture, fleet management and field service to be more productive by revolutionizing their work processes.
Geocaching (pronounced geo-cashing) is a worldwide game of hiding and seeking treasure. A geocacher can place a geocache in the world, pinpoint its location using GPS technology and then share the geocache's existence and location online. Anyone with a GPS device can then try to locate the geocache.
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Download paper and electronic maps onto Garmin outdoor handhelds.
The Content Toolkit contains applications which allow users to create secure Points of Interest (POI) and customizable voices for Garmin GPS devices. Developers can market their products to owners of Garmin GPS systems, creating an entirely new ecosystem of content, devices and customers who are eager to expand the capability of their GPS device.
Ordnance Survey Ireland website – National Mapping Agency providing geodetic services for GPS users in Ireland & Northern Ireland. Active and passive station network services include Passive data, RINEX data, Co-ordinate converter.