GPSies - With GPSies you can view and download tracks which have been recorded by a GPS device.
AllTrails - Explore over 50,000 trails, reviews, and photos. Share them…
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.
Natural Atlas - An evolving, nationwide map of the outdoors
Bigbee - Connect with anyone, anywhere.
Hiiker - Hiiker is a website and mobile application that allows you to browse and discover Long-Distance Hiking Trails anywhere and anytime.