Wolfram CDF Player
(was Mathematica Player) is an innovative new take on viewer applications. Rather than just a reader, like Acrobat Reader, or a thin runtime, like Flash Player, Mathematica Player has the full Mathematica engine embedded right there-ready to make documents come alive or to power applets. (Of course, don't forget it can read notebooks too!)
Because Player-interactive documents are so easy to make using Mathematica 6 technology, thousands of these are already freely available at The Wolfram Demonstrations Project-with more supplied each day by researchers, educators, students, and professionals.
Version 9.0.1: Release notes were unavailable when this listing was updated.
OS X 10.6 or later