Lydia - Lydia lets you use your card whatever you need to pay, even a friend.
vatlayer API - Free VAT Validation & EU VAT Rates API
Stacks - A bookshelf for your online courses
VatStack - Simplify VAT & GST for your digital business.
tipmoji - Make tipping fun
MFLicenseCenter.com - Connect to fuel tax licenses for tax determination, return preparation, and reporting compliance.