The quest to sustainable development of free software

A few articles on the topic of how to sustain development of free/libre software caught my attention lately:

It’s a hard problem, especially when you compare the revenues of a Red Hat selling “free as in freedom” software with the insane amount of money that can be made developing software that enslaves and sells users to advertisers. On the other hand, I know of a good amount of people making a living (and saving for the rainy days) while respecting users freedoms.