Plug & Play
Just install the free plugin and start creating Invoices.
Simple to Use
Send Invoices electronically and keep track of their status.
Manage EU VAT
Automagically manage EU VAT, buy charging the right % to EU consumers.
Create and export files compatible with VAT MOSS to report VAT amounts to each EU country in the easiest way.
Receive payments via Paypal, 2CO, Authorize.net, WorldPay or allow customers to pay via bank transfer.
With Paypal 2CO and Stripe you can charge recurring payments.
Checkout the documentation on how to create custom invoice items from your own plugins or themes.