Collatz is a research project that uses Internet-connected computers to do research in mathematics. You can participate by downloading and running a free program on your computer. Collatz Conjecture is based in Wood Dale, Illinois. It is a privately managed BOINC project attempting to disprove the Collatz Conjecture. For more information about the Collatz Conjecture, check out the Wikipedia Collatz page. The Collatz Conjecture project makes use of the parity sequence optimization and runs on Linux, Windows, and OS X and can utilize CPUs as well as AMD, nVidia, and Intel graphics cards. Collatz Conjecture