Position	Website	Change	Thumbnail
1	circuitlab.com - CircuitLab	0
2	partsim.com - Online Circuit Simulator with SPICE | PartSim	1
3	docircuits.com - All Electronics Circuits ++ Electronics ++	0
4	phet.colorado.edu - PhET: Free online physics, chemistry, biology, earth science and math simulations	8
5	sourceforge.net - SourceForge.net: Download and Develop Open Source Software for Free SourceForge.net. Fast, secure and free downloads from the largest Open Source applications and software directory	1
6	en.wikipedia.org - Wikipedia, the free encyclopedia	4
7	falstad.com - Paul Falstad	-6
8	123d.circuits.io - 123D Circuits	0
9	dcaclab.com	0
10	nl5.sidelinesoft.com - NL5 Circuit Simulator NL5 analog circuit simulator for Windows. NL5 is extremely fast, powerful, and easy to use. A great tool for novices, students, as well as for experie...	-7
11	icircuitapp.com - About - iCircuit - The Realtime Circuit Simulator and Editor	-3
12	opencircuitdesign.com - Open Circuit Design Open Circuit Design: Home Page	16
13	digikey.com - DigiKey Corp. | Electronic Components Distributor | United States Home Page Distributor of electronic components and parts, DigiKey offers quality products with same day shipment, products include: Semiconductors, Capacitors, ...	0
14	ischematics.com - Spicy Schematics & Circuit Simulation - Homepage © 2011-2013 iSchematics.com Spicy Schematics - Electronic Circuit Schematic Capture for Tablet and Web - works with iPad, Web - Homepage	-7

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