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.
Cash App Taxes - Cash App Taxes (formerly Credit Karma Tax) is a fast, easy, 100% free way to file your federal and state taxes.
CCH - CCH is an all-in-one cloud tax preparing software CCH, providing support for tax filing, tax planning, and tax saving services.
ClearTax - ClearTax is an income tax return e-filing solution.
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.
UsTaxes.org - Open source tax filing web-app