Gymless.org dubs itself as the calisthenics headquarters of the internet. The coaches and trainers at Gymless help people of all backgrounds and fitness levels learn to practice calisthenics exercises and movements to achieve optimum fitness levels. Gymless’ mission is to help people learn how to exercise anywhere anytime with minimal or no equipment. Calisthenics is about using your own bodyweight and your environment to come up with effective exercises routines that target every muscle group in the body.