Taxaroo - Taxaroo enables you to automate your tax workflow. Includes automated organizers, document storage, payments, e-signatures, analytics and more.
ATX - ATX is a new tax software that has been designed keeping an average citizen in mind without any prior experience.
Drake Tax - Look here first for tools and resources to get the most out of starting with Drake.
TaxCalc - TaxCalc is an easy-to-use application to prepare tax returns and calculate your tax.
TaxDome - Tax Practice Management
SafeSend - Secure Email Gateway