There is a growing movement towards peer-to-peer value exchange and production, prompted by a variety of things, like economic conditions, shifting cultural values, exploration into collective intelligence, and further enabled by social technologies.
I've been tracking the online marketplaces that have been cropping up for sharing, swapping, gifting and renting, as well as sites that give people different kinds of opportunity to share skills and knowledge, innovate, and work collaboratively both on and offline. Below are a few sites I've come across, please add any I've missed.
Below the line: Sharing Cars, Rides, Bikes, Space, Land; Gifting, P2P Rentals; Swap Trading, Goods and Money Sharing/Borrowing/Lending; Co-Working, Co-Production, Distributed Work, Skill Sharing, Barter Networks, Idea/Innovation Marketplace.
Peer to Peer Rental
People-Powered Marketplaces for Work / Co-Production / Innovation / Value Creation
Work Cooperative / Distributed Work
Resource Networks / Skill Sharing