sales-tax
International sales tax calculator for Node (offline, but provides optional online VAT number fraud check). Tax rates are kept up-to-date.
swissqrbill
Swiss QR Bill generation in Node.js and browsers
country-vat
Get a country VAT rate. ISO 3166-1 compliant.
@ireceipt.pro/js
Create PDF files or images (JPG, PNG, WEBP) from your HTML template.