Free Software and Creative Commons materials are free as in freedom, not free as in beer. They take real time of real people to develop and maintain, and this requires money. Where does it come from? In my view, we should routinely pay people to produce and maintain Free and Open content. So, I'm pledging (mainly to myself) to spend 1% of my gross income on such projects (about £50/month if you're interested). And I'm going to use this blog to record my expenditure. So, here's the first one:
$50 USD to support the Center for Open Science.
Donate here: https://www.crowdrise.com/centerforopenscience