Many NPO's see FOSS (and GNU/Linux) as a way to gain relative independence from a single large proprietary software.
Non-profit organizations with experience coordinating volunteers may be particularly well suited to working with and coordinating FOSS projects.
For a large number of free software developers and volunteers, free software is about making the world a better place.
There's room for synthesis from the word, “go.”
 This is often a bigger deal outside of the US.