[TCM]

The social contract of open source is to give away code and time to open source to enhance the community and software. The problem that open source projects really have is that raising and or selling a product is a goal that not every person with a successful project has.

If you want to actually have people pay for open source you should look into making a grant style system for people in open source that is targeted to maintainers. Google Summer of Code and Aigrant are good examples of this.