Is Hspice Free?

Is Hspice Free? It is based on Berkeley SPICE3 with the extra capability to let users add new models using code-modeling techniques. Developed by the academics, it is free for the public. How do I download hspice? To use HSPICE on windows machines you will need Xwindows Terminal Emulator for Windows, visit http://distrib.njit.edu/download.htm and download