GPX Editor - Load, modify and save your GPX 1.1 files.
GPSies - With GPSies you can view and download tracks which have been recorded by a GPS device.
gpx.studio - View, create, edit and combine GPX files online to correct your activity data or design new awesome routes.
TrailLink - TrailLink is the best-in-class trail-finder Website and app that provides detailed descriptions, photos, reviews to help hikers and outdoor enthusiasts plan their trips.
GpsPrune - GpsPrune is an application for viewing, editing and converting coordinate data from GPS systems.
Hiiker - Hiiker is a website and mobile application that allows you to browse and discover Long-Distance Hiking Trails anywhere and anytime.