ActBlue

http://www.wired.com/news/politics/0,1283,65082,00.html
Bostonians Benjamin Rahn and Matt DeBergalis think that power should
rest in the hands of individuals, not large PACs. So the two created
ActBlue, a website devoted to helping raise money and promote action on
behalf of Democrats. And these days, ActBlue is doing what no other
organization or website is doing: enabling individuals to act as their
own PAC, raising money for nearly any Democratic candidate they choose
and easily bundling it together with funds raised by others.