International sales tax calculator for Node (offline, but provides optional online VAT number fraud check). Tax rates are kept up-to-date.
This is a very simple library to calculate sales tax rates for Washington State, in the United States. It doesn't do anything else.
A tiny utility to retrieve vat rates for the EU. Useful for Ecommerce platforms and projects.
return tax rate based on annual income
Simplistic command line tool to calculate gross income and net income given an annual salary (for Australians only! :))
Individual Australian tax rate given an income for FY2018-2019
Node.js helper library for the Avalara TaxRates.com API
Visualization of US individual income tax rates