Bill.com - Bill.com provides ACH payments processing, automates your accounts payable and accounts receivable processes.
Invoice.to - A simple & beautiful invoice generator with Stripe & Paypal
Armatic - SaaS and services companies run on Armatic. Armatic replaces Recurly, Gainsight, Pandadocs, bill.com, Delighted, and many other SaaS solutions with one Armatic system, connected to your CRM and accounting software. Get rid of your SaaS overload.
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
Invoiced - Invoiced is simple invoicing for freelancers and small businesses.
Free Invoice Generator - A free invoice generator for startups