Validator Websites
CSE HTML Validator Software for Windows (Official Site) - One-Click HTML & CSS Validation, SEO, and More
CSE HTML Validator for Windows is a practical and powerful HTML / HTML5 / XHTML and CSS / CSS3 validator and syntax checker. It also checks links, JavaScript, PHP, and SEO. A free and online edition is also available.
Regex Tester - Javascript, PCRE, PHP
Test your Javascript and PCRE regular expressions online.
IBAN Calculator
IBAN Calculator: lets you convert a national account number into an IBAN, validate an IBAN, find bank information. Correctness guaranteed.
NIAP: About Us
NIAP CCEVS is managed by the NSA, and is focused on establishing a national program for the evaluation of information technology products for conformance to the International Common Criteria for Information Technology Security Evaluation.
Liquid - XML Editor, XSD Code Generator and XML Toolkit
Advanced graphical XML editor, code generator and toolkit for complying with W3C standards.
JavaScript Lint
JavaScript Lint is a code checker that finds common mistakes in scripts.
Is jouw internet up-to-date? Test het op Internet.nl of je voldoet aan IPv6, DNSSEC, TLS, DKIM, SPF en DMARC.
Test voor moderne internetstandaarden / Test for modern internet standards (IPv6, DNSSEC, TLS, DMARC, DKIM, SPF)
HTML & CSS Site Validator
Site-wide markup validation tool. Validate the markup of your whole site with just one click.
Catamaran Sailor Magazine
Catamaran and Multihull Sailing Magazine, online marine store, Nautical Books, Discussion Groups, Distance Racing, Worrell 1000, Tybee 500 Polling Booth, Hall of Fame, Portsmouth Ratings, Sailing Rules, Sailing Equipment, and much more.