http://www.neweconomics.org/
nef is an independent 'think and do' tank. We believe in economics as if people and the planet mattered.
http://ripple.sourceforge.net/
The ripple project is a technology project to create a mutual IOU system of exchanging goods and services. It's based on who you trust and exchanging debts / cash at various points. Interesting technology.
https://ripplepay.com/
RipplePay.com is a Ripple project site, based on the ripple project idea (ripple.sourceforge.net).
http://www.stickk.com/
Set a goal then stake an amount of money based on reaching that goal.