Blesta is a tool designed to help companies productively manage and support their client base through automation. Blesta's modular system allows it to interface with nearly any third party API. The result is automatic account provisioning for nearly any type of service. Open sourced modules like cPanel, Plesk, HyperVM, DirectAdmin, BluePay, Authorize.net, Payflow Pro, Protx, Quantum, PayPal, Google Checkout, 2Checkout and more are included and you can even write your own.