Sales Tax API Client for Ruby

Sales Tax API SDK for Ruby and AvaTax REST

Validate EU VAT numbers the easy way with VIES!

A Ruby gem that calculates the Italian Tax ID (Codice Fiscale)

Japanese excise tax calculator

Improve your Solidus store's sales tax decision automation with Avalara AvaTax

Computes Withholding Tax and Net Income given a monthly base salary using the new TRAIN tax law of 2018.

A Ruby utility to process your Stripe logs for VAT MOSS with ClearBooks 🇪🇺

A CLI for interacting with the TaxJar API 🐻

Ruby, ssconvert & awk/sed script to merge all French local taxes data into unified CSV

Look up sales tax rates by zip code

Control code generator for invoices inside the Bolivian national tax service.

Tools and research for evaluating US IRS 990 tax exempt forms

対象の属性を指定すると税込計算用メソッドを追加するgem

Tools for ProPublica's Nonprofit Explorer 990 tax forms API v2.