PayPal!

Flattr is a social micropayment service, that makes it easy for you to "flatter" things on the internet that you like. When you're registered to Flattr, you pay a small monthly fee of your own choosing. At the end of the month, that fee is divided between all the things you flattered. You can even flatter things in the real world, with the Flattr Android app!

The Google Wallet mobile app makes your phone your wallet. It securely stores your credit cards and offers on your phone. When you check out at brick-and-mortar stores that accept Google Wallet, you can pay and redeem offers quickly just by tapping your phone at the point of sale.

Amazon Payments, Inc., is a wholly owned subsidiary of Amazon that provides a means to process transactions online. Launched in 2006, Amazon Payments uses the consumer base of Amazon.com and focuses on giving users the same checkout experience available on Amazon.com. Amazon Payments has several products for consumers, businesses, and developers.

Founded to facilitate safe instant payments between individuals and online businesses, Payza, previously AlertPay, is the rising leader in secure online payment solutions.

Make secure payments right through your Android device.

Since the dawn of the commercial internet, people have puzzled over the problem of paying small amounts online. How can smaller payments be successfully implemented in a way that people would engage with?

Move, convert, transact and hold any form of money or commodity. Instantly, securely and for free.

Wallet keeps things like airline boarding passes, movie tickets, and gift cards all in one place, letting you scan your iPhone or iPod touch to check in for a flight, get into a movie, redeem a coupon, and more. Wallet is what you would use to set up Apple Pay.

Recurring funding for groups. Accept money without creating a new bank account, and be fully transparent about where that money is going.

Darkcoin is an open source peer-to-peer cryptocurrency that uses a system called Darksend to add privacy to transactions.It allows you keep your finances private as you make transactions, similar to cash.

WebMoney Transfer is a global settlement system and environment for online business activities, established in 1998. Since then, over 26 million people from all over the world have joined the system.

Banks set their own exchange rate to make money off you. TransferWise gives you the real exchange rate, also known as the mid-market rate.

Dwolla provides platforms a simple, fast, and robust service for bank transfers (i.e. ACH transactions). Use branded or white label APIs to verify bank accounts instantly, transfer payments, keep balances, or route funds directly to bank account and routing numbers. A flat, transparent pricing model keeps transactions free of charge and monthly costs consistent. Additional features and services, like White Label or next day payments, may cost extra.