circuit simulator
phet.colorado.edufree science and math simulations for teaching stem topics, including physics, chemistry, biology, and math, from university of colorado boulder
falstad.com
circuitlab.compowerful online circuit simulator and schematic editor. easy to learn.
everycircuit.com
partsim.compartsim is a free and easy to use circuit simulator that includes a full spice simulation engine, web-based schematic capture tool, a graphical waveform viewer and digi-key that runs in your web browser.
dcaclab.comcircuit simulation software for stem works online, simulate and troubleshoot broken circuits in a rich simulation environment, easy to learn.
lushprojects.comlushprojects.com. projects, kits, courses and creations. a feast of electronic fun, education and diversions.
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