Validate

Credit Card Verifier allows you instantly check all major credit cards number for validity without submitting the card number online. Credit Card Verifier can validate any VISA, MasterCard, Diners Club, Carte Blanche, EnRoute, American Express (AMEX), Discover, or JCB credit card number. Credit Card validator uses LUHN10 (MOD-10) algorithm, so it only validates the integrity of the number combination, not the credit card itself.

Provides easy-to-use, self-wiring text validation for your Windows Forms controls. When dropped onto a Form, a validation criterion that can be configured entirely visually (through dialog boxes or the Properties window) is added to each data input component. Values contained in these components are then automatically validated at runtime. Also features fully customizable error messages

Aloaha Sign! was developed to create, view and validate digital signatures! Incl. offline, online and OCSP revocation checks. Incl. Check Protokol Broad range of signature cards supported native!

CSE HTML Validator Professional is a fast, powerful, user configurable, and easy to use web development tool that helps you create syntactically correct and accessible HTML, XHTML, and CSS documents. Can automatically fix HTML and XHTML. A must-have for professional and serious HTML developers and business website owners. Supports HTML, XHTML, CSS, WML, accessibility checking, link checking, batch processing, integrated editing, and much more.

Oxygen is a multi-platform XML Editor, XSLT/XQuery Debugger and Profiler written in Java. It supports XML, XSL, XQUERY, FO, XSD, RNG, RNC,NRL, DTD, Schematron, WSDL and CSS documents. It offers a powerful and intelligent code insight that guides the user to write valid XML content. The code insight can be driven by a DTD, an XML Schema, an RNG or by the structure of a partial edited document. Features SVN Client and native XML Databases support.

The CreditCard Validator will help you tell: (1) if a credit card number is valid (2) which credit card vendor handles that number. It validates the prefix and the checkdigit. It does *not* contact the credit card company to ensure that number has actually been issued and that the account is in good standing. It will also tell you which of the following credit card companies issued the card: Amex, Diners Club, Carte Blanche,Discover...