Runtastic - Runtastic offers a series of fitness apps that can be used to track your running, walking, hiking, and cycling, as well as many other fitness routines. Read more about Runtastic.
GPX Editor - Load, modify and save your GPX 1.1 files.
TrackProfiler - Trackprofiler is an online gps track editor and analyzer. With TrackProfiler you can:
gpx.studio - View, create, edit and combine GPX files online to correct your activity data or design new awesome routes.
EveryTrail - TRACK, SHARE, EXPLORE... Blaze your own trail with EveryTrail!
GpsPrune - GpsPrune is an application for viewing, editing and converting coordinate data from GPS systems.