JMap is an ordinance Survey map viewer. It is a Java mapping application originally written to display Ordnance Survey maps but can be extended via plug-ins to include other sources.

Features:
1. Support for .GPX files.
2. Contains list of over 25000 POI for the UK.
3. Easily modified xml based configuration.

Requirements:
* Java

The license of this software is Free, you can free download and free use this image viewer software.