Best PartSim Alternatives ranked by AI · updated Aug 2026

PartSim is a browser-based SPICE circuit simulator for students, hobbyists, and electronics designers. It combines schematic capture, simulation, and component selection without requiring desktop software.

Developer: PartSim Price: Free 🎯 partsim.com

💻 Electronics circuit simulation spice schematic

Top 6 PartSim alternatives

CircuitLab

💡 Pick it for a more polished browser-based schematic and simulation experience.

CircuitLab is a web-based schematic editor and electronic circuit simulator aimed at students, educators, and engineers. It stands out for combining clean...

Pros

Stronger schematic and analysis workflow than DCACLab
Supports AC, DC, transient, and frequency-domain simulations
Runs in the browser with no desktop installation

Cons

More expensive for regular use than free simulators
Less beginner-oriented than DCACLab for simple classroom experiments
Not a full PCB layout and manufacturing platform

Free trial, plans from $39/year

Alternatives to CircuitLab → Visit site

LTspice

Analog Devices

💡 Pick it for deeper SPICE analysis, advanced models, and power-electronics work.

LTspice is a free SPICE-based schematic capture and waveform simulation tool for engineers, students, and electronics designers. It stands out for fast...

Pros

Much deeper SPICE analysis than DCACLab
Strong performance for switching supplies and analog design
Supports custom models, behavioral sources, and scripted measurements

Cons

Desktop installation is less convenient than DCACLab's browser workflow
Steeper learning curve for beginners and classroom users
Primarily schematic and waveform based rather than breadboard visual

Free

Alternatives to LTspice → Visit site

TINA-TI

Texas Instruments

💡 Pick it when you need free analog simulation with Texas Instruments models and virtual instruments.

TINA-TI is a free Windows-based SPICE simulator tailored to analog and mixed-signal circuit design. It provides ready-to-use Texas Instruments models, virtual instruments,...

Pros

Includes extensive Texas Instruments component models
Provides virtual oscilloscopes, meters, and other instruments
Better suited than PartSim for analog IC evaluation

Cons

Windows-only, unlike PartSim's browser-based access
Less vendor-neutral than ngspice or LTspice
Interface feels older than modern web simulators

Free

Alternatives to TINA-TI → Visit site

Falstad Circuit Simulator

Paul Falstad

💡 Pick it for fast, visual exploration of circuit behavior and electronics fundamentals.

Falstad Circuit Simulator is a free browser-based simulator for exploring analog and digital circuits. Its signature feature is animated current-flow visualization, which...

Pros

Completely free and immediately usable in a browser
Animated current and voltage views are excellent for teaching fundamentals
Includes many ready-made examples and demonstrations

Cons

Schematic editing is less polished than DCACLab or CircuitLab
Limited documentation, project management, and collaboration features
Not appropriate for production-grade component modeling

Free

Alternatives to Falstad Circuit Si... → Visit site

Ngspice

💡 Pick it for an open-source, scriptable SPICE engine and integration with other EDA tools.

Ngspice is an open-source mixed-level/mixed-signal electronic circuit simulator.

Free

Alternatives to Ngspice → Visit site

EasyEDA

💡 Pick it if you want to move from simulation into schematic capture and PCB production.

EasyEDA is a browser-based and desktop EDA tool for hobbyists, makers, students, and small electronics teams. It combines schematic capture, PCB layout,...