Cadence Virtuoso
From CVL Wiki
Cadence Virtuoso is the Unix-based PSpice-like program that can be run remotely on your Windows computer.
The basic instruction on how to use Cadence Virtuoso are available at [[1]]. Please send corrections or additions to the instructions to kameehan@vt.edu.
Information on more intricate ways to use this program including several sophisticated ways to display plots using this program are described http://www.cs.ucr.edu/cs168/cs168-04win/lab1/lab1.html