>>The GPL has absolutely no restrictions on commerce.  You are free to 
sell any GPL software however you see fit. But you must give the source 
code to everyone you give the software to.&lt;&lt;<br><br>sorry hans, i should have been clearer on that.  i meant &#39;closed source commercial application&#39;.<br><br><br><br>out of interest, what&#39;s the deal with pd being used as the audio engine for computer games, like Spore, or whatever?  They don&#39;t make the source code available, do they?  Wouldn&#39;t those applications also have to avoid [expr] ?<br>
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