XE.com - XE.com Inc. (XE) is a Canadian online foreign exchange services company.
Payment Pages by involve.me - Collect Stripe & PayPal payments online with custom pages
Yahoo! Finance - Currencies Center - Currency Converter from Yahoo! Finance.
SuperPay - Get paid faster with your own custom payments page
xCurrency - Smart Currency - A simple ads-free currency converter.
Checkout Page - Sell on your site with customizable checkouts. Tailor-made one page checkouts to sell digital products & services without an ecommerce store.