FitCliq - Tinder for fitness
Diagrammm - Fundamentals on data visualization
Crossfilter - Fast multidimensional filtering for coordinated views
Routeshuffle - Create random exercise routes, made by a 15 year old runner
Sheetsee.js - Connect Google Spreadsheets and visualizing the data
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.