From P2P Foundation

URL = http://drupal.org/project/mutual_credit

Description

"An all-embracing and flexible package which includes a mutual credit engine, transaction forms and displays, including several views and blocks. It can be used as a digital back end for paper money projects, or to run an entire LETS or Timebank. With a little tweaking, it can manage currencies conforming to a wide range of designs."

Status

1. used by :

• http://communityforge.net/ offer a hosted version "For community groups and social clubs with no IT budget, the basic package allows hundreds of users, full control over pages and menu items. Unlimited exchanges, membership expiry, offline member support. Export members and exchange history to csv format. Other community building features include calendar, image gallery, and news feed. "

• apparently Timebanks USA are using it for development of "Community Weaver II" (see hosted offering of existing version here)

• Community Exchange System working on migrating to it

• as of Mar 2nd 2011 a total of 57 sites currently report using this module