Quote Originally Posted by duffstone View Post
Probably not. Only in rare instances will you see a commercial software package open up it's source (for the older versions) after it's upgraded to a newer version. Actually, I don't recall ever seeing that happen in reality...

I've seen older versions have their license restrictions removed, and basically become a free to use product, but I've never seen anyone open up their copyrighted source...

-Duff
Doom, Wolfenstein3D, Quake{1,2,3} https://github.com/id-Software
MS-DOS v1/v2 http://www.computerhistory.org/atchm...y-source-code/
MS Word 1.1a http://www.computerhistory.org/atchm...a-source-code/
just to pick a few famous examples ;-)