iDempiere - iDempiere Business Suite ERP/CRM/SCM done the community way.
Oracle NetSuite - NetSuite is the leading integrated cloud business software suite, including business accounting, ERP, CRM and ecommerce software.
DataNote ERP - DataNote ERP is a complete ERP solution built for multiple industries such as construction, engineering, food and beverages, metal processing, and healthcare, among others.
FreshBooks - The ideal accounting software for small business owners.
PracticePanther - PracticePanther offers CRM, invoicing, time tracking and communication solutions for law firms.
Xero - Xero is online accounting for your small business.