2Checkout is a leading global payment platform that allows companies to accept online and mobile payments from buyers worldwide, with localized payment options. Capabilities include a pre-integrated payments gateway, merchant account, PCI compliance and international fraud prevention. In business since 2000, 2Checkout supports transactions in 211 markets through 8 payment methods, 87 currencies, and 15 languages, and is trusted by more than 50,000 merchants worldwide.
Please find more informartion about how to install plugins here.
The plugin is provided absolutely for free and includes source code. Find the project Github repository here.