When I was in college I used Protel 99SE to design a PCB file to send
off to be manufactured into an actual tangible piece of plastic.

I don't use MSWindows anymore, so I'm looking for an alternative to
Protel 99SE.

Here's what I have in mind for the replacement software:
* There's a built-in library of components, stuff like diodes and
transistors that are commonly used, so that I don't have to create my
own symbols and footprints.
* I can make up a schematic of a circuit.
* From the schematic, I can produce a PCB schematic (the software does
this for me).
* I can re-arrange the components on the PCB schematic, and also do
stuff like specify places where there should be holes in the board.
* I can produce some sort of PCB file that can be sent off for manufacture.

The software can be free or non-free.

What are the best choices?

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