Credit Card Processing
: Paypal Pro PHP 1.1 - for Paypal Website Payments Pro :
AIM Payment Bridge
AuthorizeIt
Build Paypal - Stormpay Type Biz Site.
CCVal - Credit Card Validation function
Credit Card Function Library
cuSell IPS
DeskPay
ECHO PHP class
ECHO PHP Pay Form
inProcess
instant2c
Linklok 2checkout
PHP E-Gold Toolkit
PHP ECHO Pay Form
PHPAUTHNET AIM
PHPAUTHNET SIM
PHPPayNow for authorize.net
Picture Pay
Sauen PHP Surepay Library
Simple Authorize.net AIM Gateway Script
Sound Commerce
Surepay "Classic" XML Payment Gateway
TCLink Credit Card Processing API
The Price Negotiator
TwoCheckout
VeriSignup
Å-Payments