Similar to 多言語サイト

Language Grid

Multilingualism

BabelNet

Foreign language

Linguistic rights

International auxiliary language

List of multilingual countries and regions

Bilingual education

Language policy in France

BioOne

ChemSpider

Flags of the World (website)

Fussballdaten.de

Glottolog

Google News Archive

Internet Speculative Fiction Database

Marxists Internet Archive

NASA Space Science Data Coordinated Archive

Structurae

Visual.ly

Web of Science