TaxJar - TaxJar simplifies sales tax filing for eCommerce sellers.
TaxSlayer.com - Tax preparation software and proud sponsor of Dale Earnhardt, Jr.
Quaderno.io - Quaderno for Stripe is the simplest way to bill your customers without programming a single line of code.
ProSeries - Try the #1 professional tax preparation software chosen by more than 62,000 pros. ProSeries helps you make a meaningful difference for clients and file returns fast.
Avalara - Cut tax compliance costs, not corners. Avalara automates tax compliance and can help improve accuracy while reducing costs.
CCH - CCH is an all-in-one cloud tax preparing software CCH, providing support for tax filing, tax planning, and tax saving services.