AllTrails - Explore over 50,000 trails, reviews, and photos. Share them…
GPSies - With GPSies you can view and download tracks which have been recorded by a GPS device.
Komoot - Plan Your Perfect Hiking, Mountain Biking or Road Biking Adventure
Gaia GPS - Trail maps for all your adventures
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.
OsmAnd - Global mobile map viewing and navigation for online and offline OSM maps