LTspice IV is a high performance Spice III simulator, schematic capture and waveform viewer with enhancements and models for easing the simulation of switching regulators.
Cost / License
- Free
- Proprietary
Application types
Platforms
- Mac
- Windows

ECSP is described as 'A fast, interactive, browser-based analogue circuits and power system simulator for engineers, lecturers and students. It works entirely within a web browser without installing desktop software' and is a circuit simulator in the education & reference category. There are three alternatives to ECSP, not only websites but also apps for Windows, iPhone and Mac. The best ECSP alternative is LTspice, which is free. Other great sites and apps similar to ECSP are ETAP and TINA.
LTspice IV is a high performance Spice III simulator, schematic capture and waveform viewer with enhancements and models for easing the simulation of switching regulators.

ETAP is the most comprehensive enterprise solution for design, simulation, operation, control, optimization, and automation of generation, transmission, distribution, and industrial power systems.


TINA Design Suite is a powerful circuit simulation package for analyzing, designing, and real time testing of analog, digital, VHDL, MCU, SMPS, RF, communication, optoelectronic and mixed electronic circuits and their PCB layouts.



