Apps similar to Ngspice include Circuit JS, which is free and open source. Other options are QUCS, LTspice, Proteus PCB design and EasyEDA. You're spoiled for choice with Circuit Simulators like Ngspice: we list more than 25 alternatives for Windows, Linux, Mac, the web and iPhone.
Browser-based circuit simulator for learning and experimentation, with animated current flow, oscilloscope waveforms, 50+ component types, 360+ examples, guides, shareable circuits, browser saving, and an AI circuit explainer for students and makers.
Australia
Web-based circuit design and simulation tool features real-time SPICE engine, schematic capture, automatic wire routing, 3,000+ components, live analysis, netlist editor, classroom controls, FERPA/COPPA compliance, exportable data, and custom component creation.
United States
Xyce (zi¯s, rhymes with “spice”) is an open source, SPICE-compatible, high-performance analog circuit simulator, capable of solving extremely large circuit problems by supporting large-scale parallel computing platforms.
Circuit Solver is an electronic circuit simulator. You drag your electrical components and place them on one at a time. You hook up some sources and you place some meters to read the values.
