LETS: A community development Social Care & Social Work This free course, LETS: A community development, enables you to hear about some of the participants in the Local Exchange and Trading Schemes (LETS). These are associations of people who make offers of goods and services to and from each other. What is on offer and the requests people make are listed in local directories. The Open University The Open University Course text/html K202_8 K202_8 en-GB Copyright © 2016 The Open University Archive