RouteConverter is a software for converting various GPS log files or way points into other formats that may be useful to you. To see full list of supported formats just go to the features page.

It has a lengthy list of features some which are

• no installation necessary
• automatically detects the format of a file
• supports drag
  and drop
• offers a map view onto the positions of routes, tracks and waypoints
• supports multiple routes within Google Earth, GPX and Garmin MapSource files
• and a lot more…

RouteConverter is licensed under the GNU General Public License meaning you don’t need to pay a dime for it. Just download it and enjoy it.

Original post by Tim Robbins