Taxaroo - Taxaroo enables you to automate your tax workflow. Includes automated organizers, document storage, payments, e-signatures, analytics and more.
TaxSimple - TaxSimple is a tax returns filing and refund platform that allows users to easily enter all of their data and leave the rest on the platform.
Drake Tax - Look here first for tools and resources to get the most out of starting with Drake.
GoSystem Tax RS - GoSystem Tax RS has unmatched web-based tax processing power, is scalable to needs, and is available in a secure online environment.
TaxDome - Tax Practice Management
TaxBrain - TaxBrain is a taxation filing software that enables users to calculate their taxes easily, and they can file them without any trouble.