LTspice - LTspice® is a high performance SPICE simulation software, schematic capture and waveform viewer with enhancements and models for easing the simulation of analog circuits.
Donkey Republic - Redefining urban transport with bicycles
Solve Elec - Solve Elec is a free educational program to draw and analyze electrical circuits.
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Circuit Simulator - Animated electronic circuit simulator using ideal components to visualize voltage and current.
airfocus - The first modular product management platform: Discover, learn, plan and deliver - your way.