Utopia This is the GPX/LOC file-driven successor to Cache Harvester. This incorporates many of the additions that had been made to the last never-released version of Cache Harvester, plus several new goodies.
Courtesy of Prime Suspect
TerraClient View and Print satellite images of the USA. Courtesy of Bill Friedrich
Watcher allows you to do custom searches on GPX files. Help File Courtesy of Clayjar