TaxDome - Tax Practice Management
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.
Drake Tax - Look here first for tools and resources to get the most out of starting with Drake.
Oracle NetSuite - NetSuite is the leading integrated cloud business software suite, including business accounting, ERP, CRM and ecommerce software.
Taxaroo - Taxaroo enables you to automate your tax workflow. Includes automated organizers, document storage, payments, e-signatures, analytics and more.
SAP ERP - SAP ERP is enterprise resource planning software developed by the German company SAP SE.