Billdogg - Beautifully simple invoicing for freelancers
Wirize - Payment checkout for freelancers
Free Invoice Generator - A free invoice generator for startups
Stop Thinking Like A Freelancer - Stop thinking like a freelancer
Free-Invoice.co.za - Free Invoice Software | Free online tool that helps small businesses to generate free invoices and manage their contact list. It can be used as an alternative to expensive invoicing software and online invoicing applications
PaymentFont - A sleek webfont for your favourite payment methods