The Foundation for P2P Alternatives
We study the impact of Peer to Peer technology and thought on society.
http://p2pfoundation.net/The_Foundation_for_P2P_Alternatives
Complementary Currency Software
http://p2pfoundation.net/Complementary_Currency_Software
Free Open Source Software
Cyclos
(Read more)- links: http://project.cyclos.org/ ; http://sourceforge.net/projects/cyclos/
- for use in: complementary currency systems like LETS, Barter, Time bank, C3 (consumer commerce circuit) and micro finance systems like VLC (combination of micro finance with local currency). Cyclos is a transactional (on-line banking) system with several community functionalities and extended modules.
- license : GPL (open source) license
- used by : cyclos is used all over the world, some examples are http://www.circuitocompras.com.br, http://www.regiogeld.de or http://www.puntotransacciones.com (a more complete list can be found here).
Open Transactions
- links: https://github.com/FellowTraveler/Open-Transactions/wiki ; https://github.com/FellowTraveler/Open-Transactions
- Description: "It’s a solid, easy-to-use, FINANCIAL CRYPTO and DIGITAL CASH LIBRARY. Including an operational API, SERVER and CLIENT. Transaction processor featuring Untraceable Digital Cash, Anonymous Numbered Accounts, Triple-Signed Receipts, Basket Currencies, and Signed XML Contracts. Also supports cheques, invoices, payment plans, markets with trades, and other instruments... it's like PGP for Money.... Uses OpenSSL and Lucre blinded tokens. ---Mac OS X, Linux, FreeBSD, Android, Windows---Native APIs for Java, Ruby, Python, PHP, Perl, C, C++, Objective-C, C#, Tcl, and LISP"
- license : GNU Affero General Public (open source) License
Bitcoin
- link : http://www.bitcoin.org/ https://github.com/bitcoin/bitcoin
- Description : "Bitcoin is a peer-to-peer digital currency. Peer-to-peer (P2P) means that there is no central authority to issue new money or keep track of transactions. Instead, these tasks are managed collectively by the nodes of the network."
- used by : a large number of sites have started to accept Bitcoin and there is also a market for different Bitcoin demoninations
- license : open source
Ripple
(Read more)- links: http://code.ripplepay.com/ ; http://ripple.sourceforge.net/ ; http://sourceforge.net/projects/ripple ; http://ripplep2p.com/wiki/
- Description : a money system based on 'friendly obligations'.
- license : The software that runs ripplepay.com is available under the GPL open-source license.
- used by:
- Ripple Pay (https://ripplepay.com/) the original implementation by Ryan Fugger (see user's guide)
- Shire Hours - Ripplepay clone operated by John Bilyeu
- Multiswap
- see also: Ripple Implementations
- the Circular Multilateral Barter code that powers Evgeni Pandurski's Multiswap site
- Rivulet John Paul Lewicke's Ripple server and AJAX front-end
- Rain Droplet - Open decentralized community credit service operated by Daniel Holt, based on Ripplepay
- Ripplexchange - Daniel Holt's Ripple marketplace
- Ripple Distributed Protocol - Designs for a system of distributed independent Ripple servers
- Ripplebase - Ryan Fugger's partially complete multi-client Ripple transaction server (see also documentation)
Open Coin
(Read more)- link: https://opencoin.org/
- Description : "The opencoin project implements "digital cash". The system gives minting software, wallet software and everything that is necessary to have a system for anonymous electronic transactions. It can be used for vouchers, online payments, complementary currencies etc. opencoin defines standards and provides an implementation around the blind-signature system as invented by David Chaum, known as electronic cash / digicash.
- license : The software and specs are opensource under a GPL License.
OsCurrency
(Read more)- link : http://www.opensourcecurrency.org/2008/11/oscurrency-demo-site-and-github.html
- Description : "OSCurrency is complementary currency system derived from Insoshi, a Ruby on Rails open source social network project"
- built over: http://portal.insoshi.com/
- license: GNU AFFERO GENERAL PUBLIC LICENSE Version 3
- used by:
- documentation: http://wiki.github.com/austintimeexchange/oscurrency
Drupal Mutual Credit Project
- link : http://drupal.org/project/mutual_credit
- built with : Drupal
- 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."
- 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
- license :
Open Bank Project
- link : http://www.openbankproject.com/
- "We aim to create a RESTful API so that banks and their customers can securely and cost effectively adopt Web 2.0, Open Source and 3rd party tools, services and strategies. We want to promote greater openness to financial data."
- license :
Time Bank
- links : http://wadobo.com/trac/timebank/ (wiki and code) http://timebank.wadobo.com/ (demo)
- Description : "Time Bank is a web service for managing a time bank, in which users offer their time doing service in exchange for services provided by others users for the same amount of time."
- used by
- Ecolocal is an association in Seville, Spain
- R-ciclo is an association in Granada, Spain
- SUGUS GNU/Linux association - Linux user group of Seville University.
- Gelves is a an association in Gelves, Seville, Spain
- license :
Mifos - Microfinance Open Source
- link : http://sourceforge.net/projects/mifos/ http://mifos.org/
- Description : "Mifos is an MIS purpose-built for the microfinance industry. It provides MFIs the key functionality to better serve the poor: client management, loans & savings portfolio tracking, reporting, & social performance measurement. mifos.org has more info"
- used by :
- With 21 existing customers with another 19 in the pipeline (as of Mar 2nd 2011) Mifos will soon be servicing a total of over a million clients
- license : Apache License V2.0
MyBanco - Open Source Core Banking
- link : http://www.mybanco.org/
- Description : "So you are paying thousands of dollars to do your Core Banking? Well, don't. MyBanco let's you do your core banking without paying one cent. Save on your bank's TCO (Total Cost of Ownership) by reducing the money you pay to companies offering proprietory systems, and start saving money, by using free and open source software"
- license : GNU Affero General Public License
Local Exchange
- link : http://sourceforge.net/projects/local-exchange/ Local Exchange UK ver 1.01
- Description : "Local Exchange is a web-based local currency system. Local currency systems, such as LETS or Time Dollars, are designed to foster goods and service exchange on a community level"
- used by :
- Fourth Corner Exchange is the original implementation
- www.Local Exchange.org.uk lists 18 (as of March 2nd 2011) LETS groups using the updated UK version
- license : GNU General Public License (GPL)
Cclite
- link : http://www.hughbarnard.org/content/alternative-currency-software http://sourceforge.net/projects/cclite/ http://groups.google.co.uk/group/cclite?hl=en
- Description : "Cclite is a Perl package for local exchange trading systems (LETS), banking and other alternative money systems. Multi-registry, multi-currency, web services based (SOAP) and REST transactions and templated to give multi-lingual capabilitie" "Community currency accounting for local exchange trading systems (LETS)and other alternative money systems. Multi-registry (group), multi-currency, with inter-registry transactions using web services (SOAP), templated to give multi-lingual capablitie"
- license : GNU General Public License (GPL)
PyLETS
- link : http://copsewood.net/py_lets_cgi/index.html
- Description : "PyLETS CGI is a simple, lightweight on-line mono-LETS accounting web application written in Python"
- license : GNU Public License Version 3
- see also : Multi Registry System (MRS) Links and Resources
Relevant Mailing Lists
- Agile Banking Google Group "Lets change the world of banking and finance. This group is not for interesting theory, but about practical steps we can take to reinvent banking"
- OSCurrency Google Group "OSCurrency is complementary currency system derived from Insoshi, a Ruby on Rails open source social network project"
- Ripple Users Google Group "Discussions about the Ripple decentralized monetary system project at http://ripple-project.org" (lots of related discussion happens on the list too)
- ECON-LETS "econ-lets is intended for discussion of the economic, social and telematics issues surrounding the development of LETS (Local Exchange Trading Systems)"
Projects for Software
- Open Money : published under ??? license
- Marc Fawzi's Draft of P2P Currency Proposal (Read more)
Currency Simulation
Phil Jones has done some work simulating currency stuff:http://optimaes.ning.com/
old site at http://www.nooranch.com/synaesmedia/optimaes/optimaes.cgi
Other Platforms
- links : http://partysmart.org/vcsh/index.php ; http://regenerosity.com/- software used :
- license :
Other (older) lists of Currency Software
- http://www.complementarycurrency.org/software.html
- http://copsewood.net/writings/wsfii2005bullets.html
- http://www.letslinkuk.net/members/software.htm ( restricted access ? )
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