Xero - Xero is online accounting for your small business.
QuickBooks Online - QuickBooks Online is a Cloud Accounting for small business that can be used on iPad, mobile phone or computer to do invoicing, billing, run reports, or even pay employees online.
Datamolino - Process all invoices without retyping. We turn your invoices into structured electronic documents, that you can import directly into your accounting system.
ClearBooks - Clear Books provides online accounting and bookkeeping software for accountants, small businesses and startups
DOKKA.com - The Future has Arrived: Accounting Process Automation
FreshBooks - The ideal accounting software for small business owners.