Inferse
For vendors
AdvertiseTop spots, featured rows, home sponsor Get listedAdd a product we don't cover yet Claim a listingFree: verify the domain, then correct your page Vendor dashboardNumbers, orders and placements
List your platform
Vendor dashboard

ngspice

Input—per 1M tokens
Output—per 1M tokens
Context—tokens
WeightsClosed

About

ngspice is ranked #18 of 91 in physics simulation software on Inferse. It runs on Windows, macOS, Linux.

Compared on physics simulation software

Free plan
Yesngspice.sourceforge.io
Schematic capture
Nongspice.sourceforge.io
Electrical simulation
advancedngspice.sourceforge.io
Standards libraries
Yesngspice.sourceforge.io
Deployment
desktopngspice.sourceforge.io

Facts

Free plan
Yesngspice.sourceforge.io · 21 Sept 2026

Best ngspice alternatives

See all 12
8.7 OpenSim Free free plan, no paid price published Free plan 8.7 FeenoX Free free plan, no paid price published Free plan 8.4 COMSOL Multiphysics See plans price on the maker's page Free trial 7.5 SimScale See plans price on the maker's page 7.3 SimFlow €666.67/mo first paid tier Free plan 7.1 OpenFOAM See plans price on the maker's page

Where it ranks on Inferse

Sources