Software suggestions for electronic simulations?
Renan hit most of the big ones. I like to use this site when I want to throw together a quick circuit. It lets you see the scope in real time and is pretty intuitive, not to mention web based. However, it's no substitute for a real simulation package.



This question has (kind of) been asked before, you could see if this question has any that suit your fancy: Good tools for drawing schematics