Information about LETS
- BARTER/LETS 101 — A variety of information about this economic system
- LETSystems — Theory, overview, practice, discussion and development of the LETS system
- Transaction Net on LETS — An introduction to the LETS system, including more resources and links
International and Canadian
- LETS-Linkup — Free listings and guide to over 1,500 LETS groups from 39 countries
- Lets-LinkUp to Canada — Canadian page from LETS-Linkup