Intuit (Turbo Tax) and H&R Block are the main lobby against easy tax prep (spent millions per year), then the other 12 members of the ACTR are:
Tax Act
OnLine Taxes
Wolters Kluwer
Tax Hawk
Liberty Tax
Drake Software
Jackson Hewitt
also the following financial institutions:
Netspend
Republic Bank
TPG Santa Barbara
pathward
So who do you use that is not one of the 14 companies above (or owned/operated by them)?
Online or not, if they are a tax prep company, they have a strong financial incentive to stop tax prep from being free.