Strava - The #1 app for runners and cyclists
Zwift - Turn indoor cycling workouts into fun, social adventures
Komoot - Plan Your Perfect Hiking, Mountain Biking or Road Biking Adventure
MyWindsock - Weather forecasts for cyclists, including historic Strava Leaderboard Weather Conditions.
Rouvy - ROUVY Workouts app allows you to compete in a virtual cycling race to train yourself without going outdoor using advanced virtual reality features.
Trailforks - World's largest trail database and management system for trail associations, builders and riders. Started for mountain biking trails, now including all trail uses.