I've been using it for a while now and no one contributes to it. I've worked on multiple open source projects, some with a lot of visibility, write a good amoun

I've been using it for a while now and no one contributes to it. I've worked on multiple open source projects, some with a lot of visibility, write a good amount of free content, and the most you'll ever get is 'thanks'. Unless you fall into specific groups your chances of making money from systems like Flattr are basically 0.