Apps similar to TINA include KiCad, which is free and open source. Other options are Fritzing, Square Sketch, Circuit JS and QUCS. Circuit Simulators like TINA are a crowded field, with more than 50 alternatives for Windows, Linux, Mac, the web and iPad.
Printed Circuit Board Design Made Easy: Professional-Grade PCB Design Software with Free Live Technical Support. PCB Artist Includes Features Such as Multi-Page Schematics and Netlist Import.
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
PCB Design Software, Schematic Capture Software and automatic 3D model generation. The PCB layout generates 3D models automatically
United Kingdom
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
