rubiTrack - rubiTrack is an activity tracking and exercise journal software for the Mac, iPad and iPhone. It lets you display, analyze and organize your indoor and outdoor workouts for sports such as running, biking, walking, hiking, skiing and many more.

gpx.studio - View, create, edit and combine GPX files online to correct your activity data or design new awesome routes.

µlogger - µlogger [micro-logger] is an android application for continuous logging of location coordinates, designed to record hiking, biking tracks and other outdoor activities. This app works with a self-hosted server

GPX Editor - Load, modify and save your GPX 1.1 files.

Golden Cheetah - GoldenCheetah is a software package that:

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