MapSphere: Free Mapping Software with GPS Support, Online Tracking,... -

MapSphere combines together a lot of communication possibilities that can be used in a trip. They are instant messaging, chat, blog, and GPS position tracking pagerank   rank info for 6,783,268   estimated valuation for $ 8.95

GPS Track Editor: Free Windows Application to Make GPS Tracks Better -

GPS Track Editor is a graphical tool to view and edit GPS/GPX tracks: open/save, visualize, split, combine, restructure, correct, filter. pagerank   rank info for 934,799   estimated valuation for $ 720.00