Self-hosted personal finance manager for tracking expenses, income, budgets, categories and tags, with financial reports.
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Python CLI toolkit for payment QA: generate and validate synthetic Luhn-valid card numbers by brand, BIN, or custom pattern. Supports Visa, Mastercard, Amex, Discover and more, plus BIN/IIN lookup, expiry/CVV checks, bulk validation, masking, and TXT/CSV/JSON export. Offline and cross-platform.
A library for determining credit card type
A golang implementation to marshal and unmarshal iso8583 message.