Credits

meramu uses artwork and language data from the projects below. The downloads below preserve source data and license notices. The browser trial and app support the same 50 learning languages. The additional language packs adapt Wiktionary translations under CC BY-SA 4.0. Each pack preserves its source citations.

Download the full credits and license notices

Chinese and Japanese

The Chinese pack adapts CC-CEDICT, maintained by its contributors and editors and published by MDBG. The Japanese pack adapts JMdict by James William Breen and the Electronic Dictionary Research and Development Group, with reading segments from Doublevil and contributors' JmdictFurigana.

meramu selects entries and meanings, maps them to game concepts, and formats pronunciations and readings. These adapted packs are available under Creative Commons Attribution-ShareAlike 4.0 International.

• Chinese language pack
• Japanese language pack

Indonesian

The Indonesian language pack uses Wordnet Bahasa through Open Multilingual Wordnet, with English sense definitions from Princeton WordNet. Its notices preserve the MIT and Princeton WordNet terms.

The additional Indonesian catalog adapts English Wiktionary entries extracted by Wiktextract and published by Kaikki. Its candidate ranks use wordfreq by Robyn Speer. This adapted catalog is available under Creative Commons Attribution-ShareAlike 4.0 International.

• Indonesian language pack
• Additional Indonesian catalog

Download language packs and source notices

The archive includes the 50 selectable languages and retained Bosnian, Uzbek and Esperanto data for old saves. Bengali and Tamil remain source-backed drafts, with native-speaker review pending. Their pack records identify dictionary sources, Unicode CLDR annotations, and editorial compounds.

Flags

Flags use flag-icons by Panayiotis Lipiridis under the MIT license. The Esperanto flag is drawn for this website.

Game data and artwork

meramu adapts the Elementia Dataset by R74n, distributed under the MIT License. The current cards, penguin mascot, and path scenery use meramu's custom Paper oddballs artwork, created with AI image generation and selected and refined for this app. Earlier artwork used Microsoft Fluent Emoji under the MIT License; its source manifest and notices are retained below.

• Adapted Elementia catalog
• Earlier Fluent Emoji source manifest

Fonts

Headings use Fredoka by the Fredoka Project Authors. Body text uses Atkinson Hyperlegible by the Braille Institute of America. Both use the SIL Open Font License.

• Fredoka license
• Atkinson Hyperlegible license

License scope

The Creative Commons licenses above apply to the identified adapted data. They do not license meramu's original app code. Source copyrights remain with their owners, and use of a source does not imply endorsement.

The full notices contain source links, versions, changes, copyright statements, and license text. Read the CC BY-SA 4.0 legal terms before reusing the covered data.