Freeletics - Freeletics Bodyweight is the most effective fitness training program, adapted to your schedule...
Routeshuffle - Create random exercise routes, made by a 15 year old runner
Hourglass - Hourglass is the most advanced simple countdown timer for Windows.
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.
Timerly - A real interval timer
Cadoo - Your running drill coach that motivates you with money