Yes, both Shopify and TaxJar offer a Free Trial.
Shopify is designed for Large Enterprises, Medium Business and Small Business.
TaxJar is designed for Freelancers, Medium Business and Small Business.
The starting price of TaxJar begins at $17/Month, while pricing details for Shopify are unavailable.
Some top alternatives to Shopify includes PrestaShop, CS-Cart, WooCommerce, Shopify Plus, BigCommerce, AmeriCommerce, 1ShoppingCart, Zoho Commerce, Magento Open Source, Web.com, iSeller and Dukaan.
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.