Phoronix Test Suite (PTS) is a free, open-source benchmark software for Linux and other operating systems which is developed by Phoronix Media with cooperation from an undisclosed number of hardware and software vendors.The Phoronix Test Suite has been endorsed by sites such as Linux.com, LinuxPlanet and has been called "the best benchmarking platform" by Softpedia. The Phoronix Test Suite is also used by Tom's Hardware, ASELabs and other review sites.