3 http://meta.programmers.stackexchange.com/questions/7285/structured-tag-cleanup-initiative-phase-ii
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People have to eat, even developers of 'free as in beer' software. So I wonder, what are some of the common revenue models that are used by such companies when they aren't directly selling the software? I know one or two (advertising and support contracts) but are there more?

As Walter noted, if you know what the pros/cons of the model(s) are then please include them.

People have to eat, even developers of 'free as in beer' software. So I wonder, what are some of the common revenue models that are used by such companies when they aren't directly selling the software? I know one or two (advertising and support contracts) but are there more?

People have to eat, even developers of 'free as in beer' software. So I wonder, what are some of the common revenue models that are used by such companies when they aren't directly selling the software? I know one or two (advertising and support contracts) but are there more?

As Walter noted, if you know what the pros/cons of the model(s) are then please include them.

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What are the common revenue models for free-software companies?

People have to eat, even developers of 'free as in beer' software. So I wonder, what are some of the common revenue models that are used by such companies when they aren't directly selling the software? I know one or two (advertising and support contracts) but are there more?