You can support the project by donating to the development team. There is no minimum amount, you can give just what you want.
The money received is mainly used to buy time to the development team. When donating, you can also vote for a bug or a feature you'd like to see in the next release.
It can also be used by the development team for paying travel costs during Perl conferences, where Dancer would be presented.
You can donate with PayPal, just by clicking on the following button: