Avalara is described as 'Our TaxRates API is an easy way for developers to use sales tax rates in their project. Our API is powered by our tax rule content, and rates are updated as tax rules change to stay current. You can use this API to:' and is an website. There are nine alternatives to Avalara, not only websites but also apps for a variety of platforms, including SaaS, PrestaShop, Wordpress and Magento / Adobe Commerce apps. The best Avalara alternative is MFLicenseCenter.com. It's not free, so if you're looking for a free alternative, you could try MFLicenseCenter.com. Other great sites and apps similar to Avalara are TaxRates.io, TaxJar, Synder and Lovat.