Yes, both TaxJar and Inkle offer a Free Trial.
TaxJar is designed for Freelancers, Medium Business and Small Business.
Inkle is designed for Large Enterprises, Small Business, Medium Business and Individuals.
Pricing for TaxJar Starts at $17/Month whereas for Inkle Starts at $30.00per month when Billed Yearly.
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 Inkle includes and undefined.