Merchant Account 101 
Offers free advice on choosing a credit card processing company, including how to rate your merchant account provider.
http://merchantaccount101.netBank Card Law 
Provides legal services designed to facilitate merchant bankcard processing.
http://www.bankcardlaw.com/
Info Merchant 
Help with merchant accounts and credit card processing companies. Online discount guide for e-commerce hosting, Internet shopping carts and POS terminals.
http://www.infomerchant.net
Merchant911 
Offers tools and information intended to help merchants avoid chargebacks.
http://www.merchant911.org/
MerchantSeek 
Allows users free access to an online database of merchant service providers.
http://www.merchantseek.com/
ePaynews 
News and information about electronic payment systems.
http://www.epaynews.com/
ChargebackPrevention.Com 
Site dedicated to chargeback and fraud prevention.
http://www.chargebackprevention.com/
H.I.R. Investments 
Offers an informational packet on how-to process credit cards without a merchant account.
http://www.nmars.com/
MerchantSelect.Com 
Provides a guide to finding and selecting a merchant account service provider, payment gateway or shopping cart solution, including informative articles and independent product reviews.
http://www.merchantselect.com
Merchant Account Information Forum 
Provides free articles and information on accepting online payments with a merchant account. Discussion forum for posting questions to and a quality fortnightly newsletter.
http://www.merchantaccountforum.com/
Electronic money, or e-money, and digital cash 
Links to information sources on electronic money and digital cash, descriptions of systems, benefits, problems and dangers.
http://www.ex.ac.uk/~RDavies/arian/emoney.html
Direct Deposit and Direct Payment Coalition 
Provides information on electronic payments.
http://www.directdeposit.org/
MerchantPick.com 
A directory for merchant accounts; shopping carts; payment, billing and point-of-sale solutions.
http://www.merchantpick.com/
ASROC - Alternative Payment Processing Conference 
A conference designed to discuss Alternative Payment Processing Systems for internet businesses. A forum to meet current industry needs for finding reliable online e-commerce systems.
http://www.asroc.com/
FindMerchant 
Guide for online Internet merchant accounts and credit card processing. Information on high risk and offshore processors. Free tools for e-commerce web hosting and design.
http://www.findmerchant.com/
Direct Response Forum 
An organization responsible for providing educational materials and seminars for merchants utilizing customer-not-present payment methods.
http://www.directresponse.org/
Merchant Account Services 
Provides articles and Blog entries for merchant services information, a directory of merchant account related sites, tools and calculators, as a well as a discussion forum.
http://www.merchant-account-services.org
The Merchant's Guide 
Publishes "Understanding Interchange," a detailed guide to minimizing the impact of Interchange costs on customer-not-present credit card transactions. Appropriate for catalogers, Web merchants and other direct response marketers.
http://www.themerchantsguide.com
Merchants Payments Coalition 
A coalition of retailers, supermarkets, drug stores, convenience stores, fuel stations, on-line merchants and other businesses who are fighting against unfair merchant credit card fees.
http://www.unfaircreditcardfees.com