Wherefour - Wherefour is an ERP (enterprise resource planning) solution used for managing customer relationships, and inventory, etc.
Elorus - A super-easy online invoicing & time tracking software
entree - Entree
QuickBooks - Business runs better with QuickBooks, the #1 accounting solution for small business.
Sage Intacct - Intacct is a cloud-based accounting and financial management system that is designed for the businesses of all levels.
FreshBooks - The ideal accounting software for small business owners.