The Unicode Consortium: The official site with information and resources for programmers, implementers and others involved in globalization work

Unicode and Multilingual Support in Web Browsers and HTML: A guide to displaying thousands of foreign and special characters in Web pages, with the aid of Unicode, plus notes on suitable multilingual browsers, fonts, editors and other utilities. Includes lists of the characters in each Unicode range that can be used to test browsers and fonts

Unicode FAQ: Official FAQ from the Unicode Consortium discussing ISCII and Unicode as well as common problems faced by developers and users