An interesting way to provide and exchange services within a community. The Time Dollar idea is similar to LETS, but more community service oriented. Really good website with numerous links.
Time Dollars are a new, tax-exempt kind of money that empowers people to convert their personal time into purchasing power by helping others and by rebuilding family, neighborhood and community. An hour helping another earns One Time Dollar. ("an intro: what are time dollars? " time dollars website)
Economic reform aimed at community building.