MaZX is a Mathematica(R) package for the ZX-calculus. The ZX-calculus is a graphical language to describe linear maps on qubits. In several aspects, it goes beyond quantum circuit model.
The ZX-calculus was first introduced by Bob Coecke and Ross Duncan in 2007. This package was inspired by the MakeZXDiagram function by Janathan Gorard and Manojna Namuduri.
MaZX provides a fully automatic installation and update. Please take a look at the Installation Guide for the instructions.
Once MaZX is installed, put MaZX in the search field of the Wolfram Documentation Center (Mathematica Help window). You will see the guide to the MaZX package.