Currency includes all forms of tangible money (coins, bills, commodities, physical tokens...) as well as intangibles (time, energy, digital accounts...). The word implies "flow"... because currency ALWAYS flows opposite to the movement of Goods and Services.

An enormous amount of suffering and ecosystems degradation is due to a general lack of understanding of the nature of currencies. One transitional solution is to work on setting up dual or multiple currency systems; one central official "hard" currency balanced by one or more "soft" community currencies

We now know enough to design good currencies.

Yin-Yang model

If we put all currencies on a Yin-Yang spectrum (as proposed by Bernard Lietaer[1], Michael Linton and others):

Listed here, are currencies from primarily Yin to primarily Yang, each serving different objectives:

It is up to each group, community or region to design or pick an appropriate currency mix to match their mission statements

Brief History of currencies

List of Community Currency systems

Currency System Who, Where Characteristics Links
Time and Talents (the software that supports hOurworld) Co-founders Stephen Beckett, Linda Hogan, Terry Daniels USA; hundreds, mainly in the USA and UK As of Jan 2015 over 27,000 Members and 1.3 Million Hours of Services Provided SAAS SAAS-focus with Open Innovation where admins and users contribute to development. http://hourworld.org/
LETS Michael Linton (Canada) 1983; hundreds in operation; hundreds more under different names, i.e. SEL, Tauschringe Mutual Credit, centralized accounting, often computerized (many different software), a few allow equivalence to national currency (subject of many arguments); http://en.wikipedia.org/wiki/Local_exchange_trading_system
TimeBank Edgar Cahn USA early 1980's; hundreds mainly in USA similar to LETS, based on 1 hour of any kind of labour = 1 hour of currency; often with a particular social justice focus, generally computerized, no equivalence to national currency http://en.wikipedia.org/wiki/Time_banking
Ithaca Hours Paul Glover 1991 in Ithaca, New York Proxy currency: 1 HOUR = $10 U.S. ; managed fiat currency ; oldest continuous running exchange in USA; model for a lot of other currencies such as Chiemgauer http://en.wikipedia.org/wiki/Ithaca_Hours
http://en.wikipedia.org/wiki/Chiemgauer
ROCS apparently defunct but interesting because of demurrage idea Mutual Credit like LETS; Negotiated exchange rate; Demurrage charge on both + and - balances. (Note: Community Currency economist Jordan Bober says demurrage is not necessary when using computerized accounting systems) http://www.transaction.net/money/rocs/index.html
http://web.archive.org/web/20130629000544/http://che-rocs.wikispaces.com
Community Way - Open Money 1995 Michael Linton, Jordan Bober (Canada/UK) clever design to help Non-Profits bypass bank loans and grant applications while strengthening local economies; voucher currency backed by local business' future goods and services http://www.openmoney.org/
http://www.openmoney.org/cw/index.html
Transition Towns: Brixton Pound Transition Towns are experimenting with municipal-based currencies proxy currency(using a variant of Cyclos) http://web.archive.org/web/20160111050919/http://monea.cc/
J.E.U. Daniel Fargeas (deceased 2009) decentralized version of LETS, often used in conjunction with SEL in France http://fr.ekopedia.org/Jardin_d%27Echange_Universel
Minuto Konstantin Kirsch (Germany) decentralized; very simple, familiar and educational http://web.archive.org/web/20141201201909/https://occupyconcepts.org/wiki/Minuto_Currency
http://minutocash.org
Gift Circles ad hoc groups, sometimes evolved from other Community Currencies (described by Charles Eisenstein, Genevieve Vaughan and others) decentralized gift economies; some see it as the ultimate goal of all community currencies http://web.archive.org/web/20170705222033/http://www.shareable.net:80/blog/charles-eisenstein-gift-economy-gift-circles
http://web.archive.org/web/20210226105349/http://sacred-economics.com/read-online//

Other lists of Community Currency systems

Software for Community Currencies

Software Notes Locations Specs Links
Time and Talents, the software that supports hOurworld Co-founders Stephen Beckett, Linda Hogan, Terry Daniels Hundreds mainly in the USA and UK proprietary SAAS, free to use, Open Innovation where members and admins contribute to development http://hourworld.org
Cyclos possibly most used software; Hugo van der Zee from Stro mainly Europe and institutions java; was opensource; no multilingual site support. Each site can operate only on one language; Pricing varies from free to several thousand euros based on member numbers or operator type (social enterprise or for profit etc); Comprehensive functionality. http://project.cyclos.org
http://www.zart.org/184.0.html
CES Tim Jenkins; first in South Africa; 480 groups worldwide opensource, windows-based http://www.community-exchange.org
Community Forge Matthew Slater, Tim Anderson based in Switzerland; works with CES, TimeBank USA, SELs opensource; based on Drupal6 and 7, using Community Accounting module; No multilingual site support. Each site runs on one language only. http://communityforge.net
http://mutualcreditmodule.matslats.net/node/2
http://drupal.org/project/offers_wants
OSCurrency Tom Brown, Mira Luna handful in USA (NY, TX, California...) opensource; ruby on rails ; based on insoshi social networking platform http://www.shareable.net/blog/just-in-time
https://github.com/bace/oscurrency/
Community Weaver 3.0 Edgar Cahn, https://timebanks.org/; first released April 2015; developer Kent Davidson, Market Acumen hundreds (mainly in USA, 60 in other countries) proprietary SAAS; php; free for community-based timebanks; advisory team uses coordinators suggestions to decide priority for development http://democw3.timebanks.org
http://community.timebanks.org/
Community Way software Michael Linton handful in BC Canada and UK opensource; php http://web.archive.org/web/20170413124410/http://www.communityway.ca:80/:80/
http://regenerosity.com/
https://github.com/asoltys/om
Dropsis Mutual credit system for facebook ? SAAS http://www.dropis.com/
Sharetribe Juho and Antti planning TimeBank plugin Finland based; tribes all over world Opensource Ruby on Rails; SAAS (free hosting for tribes under 50 people) http://sharetribe.com
Gift Flow Hans Schoenburg; gift economy SAAS New Haven CT USA Open Source, PHP http://giftflow.org/ (No more active)
https://github.com/GiftFlow/giftflow
Time Co-op Steven Black US based proprietary, wordpress based http://web.archive.org/web/20130421021218/http://time.coop
Life Currency led by Francis Ayley, the Four Corners exchange and hundreds of others Washington and throughout the USA opensource, php http://www.lifecurrency.org
http://www.fourthcornerexchange.com/
SEL led by Philippe LE DUIGOU France (several) opensource, php http://www.seliweb.org/
Zumbara aims to be social media for community currency users (Ayşegül Güzel) Turkey Proprietary software coded in PHP. Seems to be used only by Zumbara.com. Very to-the-point, attractive, user friendly, nice UI; No information on multilingual site support. http://www.zumbara.com
GETS Richard Logie US based proprietary based on.NET http://www.getsglobal.com/
CROM 1 Crom = Gold 0.0001634 ozt + Silver 0.01 ozt + Platinum 0.00012462 ozt + Palladium 0.00038096 ozt + Rhodium 0.000085 ozt Croatia opensource php http://web.archive.org/web/20160820174118/http://cromland.cromalternativemoney.org:80/do/login
TimeOverFlow Gestión del Banco de Tiempo Spain opensource: ruby + postgres https://www.timeoverflow.org/
TimesFree Founder Francis Jervis, NYU Global Currently iOS only, platform for single-service coops and time banks http://timesfree.co/

List of Community Currency Projects apparently not off the ground yet:

Other Compilations of Software for Community Currencies:

Gift economies = pure sharing communities

Community Notes Locations Specs Links
the entire Collaborative Movement is a growing gift economy Robin Good regularly compiles the "best" tools for collaboration internet-centric mainly SAAS [Good's Best Collaborative Tools List]
Open Source, GPL, Open Data, Open Standards, Creative Commons started with RMS (Richard M Stallman) in 80's internet-centric mainly source code, and documents and now more and more multimedia http://opensource.org
http://www.gnu.org/licenses
http://en.wikipedia.org/wiki/Open_data
http://en.wikipedia.org/wiki/Open_standard
http://creativecommons.org/

Other examples of gift economies:

Open standards for exchange and transactions

Attempts to create an open standard for inter-software catalog exchange and/or transaction clearings:

Project Who Notes Links
Catalog Sharing API led by sharetribe's Antti 2012 discussions held in Google Groups and Flowdock, ask Antti to join (@sharetribe.com) http://web.archive.org/web/20141121092143/http://www.sharingapi.org:80/ & https://groups.google.com/forum/?fromgroups#!forum/api-for-sharing


collaborative document

Meta Currency Project Jean-François Noubel and others some work on inter-community-exchange standards http://metacurrency.org/
Community Forge ad hoc group which met at Selidaires 2012 to plan and prototype catalog exchange API Matt Slater, Lionel Beaudoin, Will Ruddick, Philippe Le Duigou et al Intertrading API
Community Forge work with Belgian SEL and South African CES to plan exchange API according to Matt Slater http://mutualcreditmodule.matslats.net/node/2
Community Weaver 3.0 plans full API for all timebank functionality, inter-timebank SMS transaction; looking at adapting mainstream financial FIX and FASTFIX protocols according to Lee Vodra of The Larks http://www.fixprotocol.org/fast
https://www.larks.la/
Open Transactions opensource plugin for transactions between banks seems designed mainly for legal tender http://freecode.com/projects/open-transactions
Open Transact Pelle Braendgaard ; opensource plugin for transactions between communities http://www.opentransact.org/
http://www.opensourcecurrency.org/
MetaCurrency XML/gaming approach to interactions between communities; Eric Harris-Braun, Vincent Trautmann Meta-currency protocol (MCP), a currency specification language (XGFL); an approach to creating a currency network using a gaming metaphor Design_Document.pdf
http://metacurrency.org
http://flowplace.webnode.com/
https://github.com/zippy/flowplace
IRTA Universal Currency based on proprietary.NET based GETS system since 1997 (+ fulltime broker) interactions between business to business barter rings http://www.irta.com/universal-currency.html
http://web.archive.org/web/20150727051423/http://www.ucci.biz:80/

Federations of Community Currency exchanges

Community Currency Consultants

Tax implications

Connection to permaculture

Indicators of likelihood of CC success (to avoid the 80% failure rate since 1983):

How to Design a Community Currency

Other currencies

Currencies sometimes incorrectly labelled as Community Currencies:

References

Workshops

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Created October 28, 2012 by Bruno Vernier
Last edit January 8, 2026 by MetadescriptionsBot