The Invoice Machine | Online Invoicing Made Beautiful
http://invoicemachine.com/home

Pay pal and auto PDF enabled

a new clever approach to online invoicing. It's beautiful and simple-to-use interface makes producing professional looking invoices a very pleasant experience.

good UI for inline video

Nice and clean interface (of the gazillionst invoice app)

The easy way to send estimates.

web-based, free & open source invoice management application which is built with PHP (using the CodeIgniter framework) & MySQL. It enables anyone to create invoices, view payments, get reports & more..

I always like how in FreshBooks to edit invoices you literally just click and interact directly with a web page that looks like an invoice. I got to thinking it would be a kinda cool idea to create an editable HTML invoice of my own. This of course can’t do nearly all the awesome stuff FreshBooks can do, but it might be useful to some of you with extremely lightweight invoicing needs.

Make an Editable/Printable HTML Invoice | CSS-Tricks - http://css-tricks.com/html-invoice/

!5 tips voor het sturen van rekeningen

Article: finance advice for freelancer

useful; invoices