SimCircuit is an open source Java application based on Paul Falstad’s applet, which allows user to create circuit consisting of various electronic elements including switches, voltage sources, resistors inductors and capacitors etc. Some of the well known features are
Drag and draw to create Elements
Supports DC and AC Circuits
Analyse and Visualize Physics
Switches and Instruments for dynamic circuits
Editor tools like cut, copy and paste
Basic Electronic circuits
SimCircuit is completely Free!!
SimCircuit is a must have tool for high school physics student or teacher. It lets user create and visualise any desired electronic circuit. It is completely free to use, to help students and physics enthusiasts learn physics in interactive way.