Reference

Html Utils

 * JavaScript on the fly - Dynamically test your javascript
 * Named Colours - A chart of named colours.
 * Colour Viewer - View html colours, and convert to/from RGB.

SAML

 * Anatomy of a SAML-Secured SOAP Message
 * OpenSAML - Internet2 wiki

Character Encodings

 * Browser Encodings - Url and unicode transformation util
 * Base64 - Base64 Alphabet.
 * Ascii Table
 * HTML Entities and Codings

Reference Guides

 * CSS1 Style Sheet Spec
 * Java 1.3.1 API
 * Java 1.4.2 API
 * HTML 4.01 Spec

Other

 * Online TrID File Identifier