🚀 go-pugleaf

In article <355D3A27.9341F95A@halcyon.com>,
  gdewar@mail1.halcyon.com wrote:
> > KDE is
> > built with a commercial widget set, Qt.  Qt is not free software
> > and should be avoided UNLESS YOU KNOW WHAT YOU ARE DOING.  If you
> > want a commercial widget set, fine.  Just know that as soon as you
> > make one dime on anything built with it you must PAY for the widget
> > set.  This isn't entirely bad, but you MUST know it going in.

I suggest you read Qt's license, and you will notice that you need to pay for
Qt only if you don't share your source code freely.

That is: Qt's fee is absolutely independent on if you sell your software or
not, it only depends on under what license your software is released, and
under which windowing system it runs.

For example: If I write QtCAD for X, license it under GPL, and sell it for
$1500 bundled with a support contract, and make QtCAD's source available, I
don't pay a dime to Trol Tech.

If somebody buys a commercial windows Qt license, he can even compile QtCAD in
his box and redistribute the binaries (assuming QtCAD was totally portable
without changes, just a recompile) along with the sources.

So, Qt's license encourages commercial vendors to put there software under a
free license.


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