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.
Self-hosted OSINT platform. Point it at a domain, IP, email, phone or username and 26 modules run in parallel: WHOIS, DNS, threat intel, breaches, username search. One dashboard, an exposure score, an entity graph, HTML and PDF reports.
Pick a YC batch, get founders and likely emails, write personalised cold emails from one template. Free, stdlib Python + one HTML file, deploys on Vercel.