Invoice Like A Pro: Examples and Best Practices - Smashing Magazine
http://www.smashingmagazine.com/2009/11/05/invoice-like-a-pro
MyClientBase | Free and Open Source Web Based Invoice Management
http://www.myclientbase.com/

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..

ollow up. Whether you want to email or telephone is up to you, and may depend on the type of client you’re dealing with. But get in touch to make sure they received the proposal, and to see if they have any questions. If they haven’t made a decision by this point, try to find out when they’re likely to do so. Then, plan to follow up again af

Freelance contracts and invoices

useful; invoices