gideongallery

for the maintainer you could make a good income doing custom installs for people
comus charges $395 for that.

and custom mods (there are hundreds of project which make money this way)

or he could use donation ware
(like bit torrent)

for contributors
you can produce custom plug ins to the script to extend it functionality in ways that could benefit end users of the script.

(see apache as an example)

Depending on the liciencing there are dozens of profit making methods available to good coders.

i would be interested in contributing to both.

The main advantage of open source is not free it access to the source code.

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