1. Norwegian morphology — Norsk ordbank
Norwegian (Bokmål) word forms, inflection tables and grammatical gender are built on Norsk ordbank, © Nasjonalbiblioteket (the National Library of Norway), Språkrådet and the University of Bergen, distributed through Språkbanken under the Creative Commons Attribution 4.0 (CC BY 4.0) licence. The data has been reformatted and filtered for use in Nebulingo.
2. Spanish, French & German morphology — Wiktionary
Spanish, French and German word forms, plurals, cases and gender data are derived from Wiktionary, © Wiktionary contributors, available under the Creative Commons Attribution-ShareAlike 4.0 (CC BY-SA 4.0) licence (dual-licensed with the GFDL). We obtained the data in machine-readable form via kaikki.org, produced with the open-source wiktextract tool (Tatu Ylonen: Wiktextract: Wiktionary as Machine-Readable Structured Data, LREC 2022). The data has been reformatted and filtered for use in Nebulingo.
3. Verb conjugations
Spanish and French verb conjugation tables were generated with the open-source verbecc conjugation library.
4. Photography
Word and lesson imagery includes photos provided by the talented photographers of Pexels, used under the Pexels licence. Thank you!
5. Questions
Spotted an attribution we've missed, or have a question about how a dataset is used? We'd genuinely like to hear it — write to support@nebulingo.com.