English:
- macchiato.com - UNICODE by Coffeeater :)
- iana.org - registered charsets
- UNICODE.org - The Unicode Consortium & Unicode standart
- ethnologue.com - Languages of the World
- Languages & charsets database
- Coverage of European languages by ISO Latin alphabets
- Multilingual Support in Internet-IT Applications

Česky:
- jakpsatweb.cz - české znakové sady
- cestina.cz - Čeština a IT technologie
- herout - UTF-8 a UNICODE prakticky
- Unicode - Wikipedie: Otevřená encyklopedie
- HTML entita - Wikipedie: Otevřená encyklopedie