Most people believe that open source sustainability is a difficult problem to solve. As an open source developer myself, my own perspective to this problem was more optimistic: I believe in the donation model, for its simplicity and possibility to scale.

⤑ SOFTWARE BELOW THE POVERTY LINE.

@chrismena Thanks, it made me thoughtfull and he is right regarding that companies basing and using open source should spend more on it. Unfortunatly I forgotten where I found this link :-(