PayPal - PayPal is the faster, safer way to pay online without sharing financial details, send and receive money or accept credit and debit cards as a seller
MineralTree - Automated invoice & payment processing software.
Stripe - Online payment processing for internet businesses. Stripe is a suite of payment APIs that powers commerce for online businesses of all sizes. Use Stripe’s payment platform to accept and process payments online for easy-to-use commerce solutions.
Chargebee - Chargebee lets you manage subscriptions and payments at scale, handle custom recurring billing scenarios, reduce subscription churn and simplify accounting.
EBizCharge - EBizCharge offers native payment integrations with ERP/accounting solutions and eCommerce shopping carts to help speed up payment collection.
PaySimple - PaySimple is a cloud-based point-of-sale platform that caters to small business owners.