Yes, both TaxJar and Intuit ProSeries Tax offer a Free Trial.
TaxJar is designed for Freelancers, Medium Business and Small Business.
Intuit ProSeries Tax is designed for Large Enterprises, Medium Business and Small Business.
Pricing for TaxJar Starts at $17/Month whereas for Intuit ProSeries Tax Starts at $1,170/Year.
Some top alternatives to TaxJar includes ClearTax GST Software, autoTax, Thomson Reuters ONESOURCE, ONESOURCE Indirect Tax, EcomTax, TaxCalc, CCH SureTax, Vertex Cloud, Anrok and Avalara.
Some top alternatives to Intuit ProSeries Tax includes ClearTax GST Software, KDK GST Software, autoTax, Qualified, Workvivo, TaxCalc, Traxit, Keeper Tax, IFTTT, CryptoTrader.Tax and TaxAdda PMS.