Best Multisim Alternatives & Competitors in 2025

LTspice® is a high performance SPICE simulation software, schematic capture and waveform viewer with enhancements and models for easing the simulation of analog circuits.

Proteus PCB design combines the schematic capture and ARES PCB layout programs to provide a...

A Cross Platform and Open Source Electronics Design Automation Suite

OrCAD PSpice technology provides the best, high-performance circuit simulation to analyze and refine your circuits, components, and parameters before committing to layout and fabrication

Qucs, briefly for Quite Universal Circuit Simulator, is an integrated circuit simulator which means you are able to setup a circuit with a graphical user interface (GUI) and simulate the large-signal, small-signal and noise behaviour of the circuit.

EasyEDA - Web-based EDA suite; runs in browser.

Fritzing is an open-source initiative to support designers, artists, researchers and hobbyists to...

Open Source

Proteus - Proteus is a great electrical suite for circuit simulation purposes. You can simulate a single processor or multiple ones at the same time. The application is a great alternative for Virtual System Modelling.

For engineers who want to expand the possibilities of power electronics.

Ngspice is a mixed-level/mixed-signal circuit simulator.

PCB Design Software

Animated electronic circuit simulator using ideal components to visualize voltage and current.

CircuitLogix electronics lab simulation provides fast, powerful schematic design and simulation in one complete program.