e-gold  
   Electronic currencies backed by gold, silver, platinum and palladium. Payment system allows transfer of small quantities of metal; site also has extensive statistics on holdings and transactions.
   https://www.e-gold.com/

Barter  
   Links to sources of information on barter and a brief account of its history and contemporary relevance.
   http://www.ex.ac.uk/~RDavies/arian/barter.html

Local and Interest-Free Currencies, Social Credit and Informal Credit Systems  
   Links to information sources on LETS, local community currencies, interest free money, social credit, and alternative monetary systems.
   http://www.ex.ac.uk/~RDavies/arian/local.html

International Journal of Community Currency Research  
   Online journal for the emerging community currency field.
   http://www.geog.le.ac.uk/ijccr/

Money Team - Alternative Money Systems  
   This NCN Alternative Money System team was created to collect information on what schemes already exist, to discuss the prospects of doing away with money systems and using a resource-based system instead, and ways of financing new civilization projects,
   http://www.newciv.org/ncn/moneyteam.html

National Organization for the Repeal of the Federal Reserve Act  
   A national organization for the repeal of the federal reserve act and the internal revenue code. Also issues Liberty Dollars, which are redeemable in precious metal.
   http://www.norfed.org/

Prosperity: Freedom from Debt Slavery  
   Monthly journal on monetary reform and debt-free money promoting the Bromsgrove Group Statement on money reform.
   http://www.prosperityuk.com/prosperity/prosperity.html