Square Up from Square Inc – A payment processor who specialises in mobile payments on Iphone (IOS), Android and other smart phones. The will send you a mobile card reader for free which judging by the pic just plugs into the phone allowing you to swipe cards and take payments on the spot, perfect for trade shows/markets and the like. The fees seem low at 2.75% per swipe and nothing else on top and with next day deposits it seems good.
Chargify.com – A payment processor who specilaises in subscription, recurring payments, trial period payments for your products. Has custom made sign up pages (think those ebook sales pages), they have a API, support mobile payments has Quickbooks integration. They process your credit card payments direct from your site and manage the whole thing. I think there services are most suited to digitally delivered goods ebooks, games, apps those kind of things.
BIPS – Another Bitcoin payment processor this time based in Denmark, usual features bank transfers, card payments and the ability to buy, sell and transfer bitcoins into other currencies Site says they have been around 5yrs. They also offer mobile payments and shopping cart plugins and addons for ecommerce sites.
Bitpagos.co – A payment processor who specialises in BitCoin payments. A PayPal for bitcoins basically. Has support for mobile payments over mobile phones, I presume via some kind of app. The major advantage of bitcoin transactions is they cannot be charged back something which PayPal transactions can all the time.