www.logiccircuit.org

It just hangs saying "3 seconds to go"

The features you mention are perfect ones -- things I was thinking of myself. One other would be more sophisticated handling of lines and connections. I realize that's potentially a big project.

As for a web-based version, it's something I've toyed with over the last few years, but have not had the ...

Hi:

Thanks for this program, by far the best free circuit simulator around. I am using it with a couple of students -- it's ideal for teaching.

The features to package circuits and implement multi-line buses are particularly excellent.

I am happy to see the author/admin is active on the forum ...