Xero - Xero is online accounting for your small business.
NAPS2 - NAPS2 is a document scanning application with a focus on simplicity and ease of use.
Datamolino - Process all invoices without retyping. We turn your invoices into structured electronic documents, that you can import directly into your accounting system.
Simple Scan - Project information. Part of: The Gnome Project. Maintainer: Simple Scan Development Team. Driver: Simple Scan Development Team. Licence: GNU GPL v3.
DOKKA.com - The Future has Arrived: Accounting Process Automation
XSane - A good proposal for SANE-2 has been written.