You have permission to download any of these files and use them as you wish.
Name Description
!_zipped-files/ All of the circuits plus some other files including this simulator. falstad-cts/ Paul Falstad's circuits current to when I downloaded them on: 10 June 2017. vinyasi-cts/ Vinyasi's circuits. graphs/ Extra information for various circuits. texts/ Useful textbooks on electrodynamics.
As found for download here, explore various circuit behaviors in Paul Falstad's Java version.