> How do developers of open source software pay to keep the lights on How about a non-commercial-use licence (or one that applies to smaller businesses only),

> How do developers of open source software pay to keep the lights on How about a non-commercial-use licence (or one that applies to smaller businesses only), and then offer commercial licenses for payment? Ok, it's complex b/c some large biz might not get a lot of revenue out of it, but seems like a good system to me.