.VHDMDL file extension

This is the basic program to work with .VHDMDL extension

.VHDMDL extension is also supported by the following programs:

Altium Designer

Altium Designer VHDL Model

Leverages innovative technologies to help you focus less on the process.
Altium Designer Summer 08

Altium Designer Summer 08 VHDL Model

Lets you create your next-generation of electronic products.
DXP 2004 SP2

DXP 2004 SP2 VHDL Model