This page describes some freely-available SPICE and SPICE-like analog circuit simulators.

Software

• ​LTSPICE from Linear Technology. Works under Wine, highly recommended!
  • LtSpiceNotes -- some notes on how to incorporate user models, etc
• ​ngspice SPICE Linux?
• ​TINA - evaluation version from T.I. windows?

Documentation

• Spice3 ​User Guide
• One of many ​Spice Tutorial

on the web