A new Flutter application demonstrating how to validate payment card number, cvv and date

A USB smartcard driver including GSM SIM and EMV credit/debit card development platforms

A Java library for generating mathematically-valid credit card numbers for software testing. The API provides customizable criteria for generation, and is extensible to apply to any payment card type which uses Luhn validation (not limited to just credit cards).

An open-source database that compiles comprehensive information for banks worldwide, including logos, official names, SWIFT codes, email addresses, websites, card colors, text colors, brand colors, countries, and customer service details. It also provides readily available packages for easy integration.

💳 Responsive credit card component for Angular.

A beautiful credit card form for payments in your website

A JavaScript module for credit card input handling

Minimal, offline-first vault for storing payment card details with biometric/PIN lock, encrypted local storage, and encrypted backups. Built by Hyperati Labs.

Dynamics Inc designs and manufactures battery-powered interactive payment cards that work with existing point-of-sale and card infrastructure. Its "Computer-in-a-Card" technology embeds a microprocessor, buttons, and a rewritable magnetic stripe into a standard-size card, enabling programmable multi-account cards, hidden card numbers, and on-card…

Payment-Card Reactive Form Validation

Card lifecycle API in Java: Luhn PAN issue, masking, daily-limit authorization, block/unblock, H2 persistence.

Set of common domain classes.

Mangopay — European payment infrastructure platform providing REST APIs for marketplace payments, digital wallet management, user KYC/KYB verification, fund transfers, currency conversion, and payment card processing. Serves multi-party payment flows across product marketplaces, financial platforms, on-demand services, and SaaS companies.