Quaderno is described as 'tax management platform for smart businesses, small and large, who want to grow their business without memorizing all the tax policies at home or abroad'. There are six alternatives to Quaderno, not only websites but also apps for SaaS, Stripe and Self-Hosted solutions. The best alternative is Avalara, which is free. Other great sites and apps similar to Quaderno are Octobat (Paid), iExempt (Paid), Synder (Paid) and Vatstack (Paid).
Receive credit card payments online and automatically record transactions from Stripe and other online payment processors, as well as the most popular ecommerce platforms like Shopify, etc., in QuickBooks or Xero.
TaxJar is focused on solving a problem no one wants to deal with - sales tax. They obsessively leverage technology and exceptional customer service to help you focus on what matters most - growing your business.