LabVIEW Multisim Connectivity Toolkit is a wrapper for the Multisim Automation API that allows you to create applications which acquire circuit simulation data.
Operating Systems Macintosh, Mac OS X 10.9, Mac OS X 10.6, Mac OS X 10.8, Mac OS X 10.7. Download Multisim Trial Instructions: Filename: DownloadMultisimTrialInstructions. It is limited in the free version but is somewhat usable for 206L with some guidance and a few extra parts added into the circuit. It is online and there is a free version that can be run remotely in the browser. Multisim has a 'Live Online Circuit Simulator.