Similar to JPEG_XL

ISO 8601

ISO 9000 family

ISO 9362

ISO 9660

126 film

135 film

CAN bus

EbXML

EbXML Messaging Services

International Bank Account Number

ISBN

International Securities Identification Number

Isofix

ISSN

Lexical Markup Framework

OSI model

Pascal (programming language)

PDF/A

PDF/X

Standard Generalized Markup Language