2Checkout offers a payment gateway and "buy now" type buttons. The payment gateway is integrated into a number of full fledged shopping carts on various platforms as well.
http://www.shoppingcartreview.com/2checkout_1
Avactis is a PHP based shopping cart available as a purchased solution for $249 - $449 or as a hosted solution for $19.95 - $99.95/month.
http://www.shoppingcartreview.com/avactis_2
E-junkie provides shopping cart and buy now buttons to let you sell downloads and tangible goods on your website, eBay, MySpace, Google Base, CraigsList and other websites using PayPal Standard, PayPal Pro, Google Checkout, Authorize.Net, TrialPay, ClickBank and 2CheckOut.
http://www.shoppingcartreview.com/e-junkie_1
Here's a list of what we are working on for gateways... fixes too:2Checkout: needs some minor fixes. Update for discounts & CSS.AuthorizeNet SIM: looks okay. Update for discounts & CSS.AgoraPay: will be expanding greatly to cover design items like headers, footers, cards taken, and other set...
http://www.shoppingcartreview.com/gateway_fixes
For those looking for more gateways to be developed, below is a list some gateways that are being considered for release for 5.x.x versions:AuthorizeNet AIM: Would allow transactions via their API without leaving your store. This will be a members only gateway.AgoraPay XML: This would be a more adva...
http://www.shoppingcartreview.com/payment_gateways_on_the_horizon
(Columbus, Ohio): 2Checkout.com (2CO), a leading online authorized reseller integrated by multiple carts has expanded its global reach by adding 14 additional language translations to its e-commerce service. This latest feature integration provides online customers immediate, one-click translations ...
http://www.shoppingcartreview.com/2checkout_globalizes_purchase_routine_adding_14_language_translations
Online shoppers now have the option to pay with PIN debit through PaySecure
Columbus, OH, May 6, 2009 2Checkout (2CO) announced today that some U.S. online shoppers can start using PIN-debit to purchase products through businesses using their e-commerce service with the integration of Acculynk's Pa...
http://www.shoppingcartreview.com/2checkout_adds_pin-debit_as_a_payment_method
Columbus, Ohio: 2Checkout.com, a full-service e-commerce solution and worldwide leader in third party online payments, added five new purchase currencies and one remittance currency to its lists of payment options for international customers.
As of today, the Argentina Peso (ARS), Brazilian Real (B...
http://www.shoppingcartreview.com/2checkout_expands_international_reach_adding_five_new_currencies
Columbus, Ohio - 2Checkout.com, Inc. (2Checkout), a leading global payments solutions provider, has added an application programming interface (API) to its robust e-commerce system for online retailers to immediately integrate.
http://www.shoppingcartreview.com/2checkout_com_inc_increases_flexibility_with_a_back_office_admin_api
2Checkout.com, Inc., a leading global online payment solutions provider, announced today the appointment of Mark Bishopp as Vice President – Strategic Development.
http://www.shoppingcartreview.com/2checkout_com_names_mark_bishopp_vice_president_strategic_development