Strava - The #1 app for runners and cyclists
Apache Cordova - Platform for building native mobile applications using HTML, CSS and JavaScript
RunKeeper - Join the community of over 45 million runners who make every run amazing with Runkeeper. Track your workouts and reach your fitness goals!
React Native - A framework for building native apps with React
Runtastic - Runtastic offers a series of fitness apps that can be used to track your running, walking, hiking, and cycling, as well as many other fitness routines. Read more about Runtastic.
PhoneGap - Easily create apps using the web technologies you know and love: HTML, CSS, and JavaScript.