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- AcqVA Aurora Center
- Bilingualism Matters, Flere språk til flere (more languages to more people) is part of the Bilingualism Matters network initiated by Antonella Sorace at the University of Edinburgh
- Tema Morsmål, this website on bilingual and heritage language teaching is developed and operated by the NAFO (Nasjonalt senter for flerkulturell opplæring/The National Centre of Multicultural Education).
- BBC Multilingualism Forum
- APPLA (Association for the Promotion of Polish Language Abroad)
- Podaruj dziecku swoj jezyk ojczysty (Promotion of heritage language bilingualism including Polish as a heritage language)