The best replacement for pspice is hspice.

The best alternatives to pspice are rated as following:
★★★★★  hspice
★★★  spice
★★★  multisim
★★★  orcad
★★  proteus
★  ltspice
★  cadence
  ngspice
  macspice

Your alternative for pspice is not listed? Suggest!
Speaking about pspice, one probably shouldn't forget about orcad.

Other search terms related to pspice and their ratings are:
★★★★★ orcad
★★★★ orcad capture
★ capture
You have in mind a companion for pspice and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of pspice in all years. Click on graph for more.
pspice
hspice
spice