Braintree - An all-in-one solution to accept, process, and split payments in your mobile app or online - from small business to large enterprise.

BuiltWith - Find out the technology behind websites

ProPay - ProPay is a multiple payment making service provider that lets its users to make payment to anyone in any part of the world.

Wappalyzer - Wappalyzer is a technology profilers and leads data provider. Create lists of websites and contacts that use certain technologies.

XE.com - XE.com Inc. (XE) is a Canadian online foreign exchange services company.

WhatRuns - Extension that helps you identify technologies used on any website at the click of a button.