ExRx.net is a resource for the exercise professional, coach, or fitness enthusiast. It offers evidence based exercise prescription tools and resources including reference articles, comprehensive exercise libraries, and fitness calculators. ExRx.net is a recommended resource in ACSM's Resource Manual for Guidelines for Exercise Testing and Prescription (5th 6th, and 7th Editions). ExRx.net has also been an NSCA authorized CEU provider since 2008.
Xfce is a lightweight desktop environment for UNIX-like operating systems. It aims to be fast and low on system resources, while still being visually appealing and user friendly.