PARTNER LINKS.. CyberStretch by Jazzercise is a FREE stretching program for computer users at home, on the job, or at school. This innovative software program guides you through energizing stretch breaks in an easy-to-use interactive screensaver format to help reduce tension and the risk of repetitive stress injuries. The screensaver format reminds you to do CyberStretch before starting work on a computer, as well as throughout the day.