SaaS vs. Open Source
Zen and the Art of Nonprofit Technology
SEPTEMBER 24, 2008
It would not be as cost-effective (and thus, not produce as much profit) if these SaaS developers had to pay license fees for the software they use (besides the fact that these are the most stable and robust platforms to build upon.) Kintera uses something proprietary, as well as Convio. Other companies in the NP space are similar.
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