Vol. I, No. 4 · Free & Open
The Eidetic Library.
A free, growing library of language learning resources. Cheat sheets, interactive guides, research notes. Built by the same team behind the Eidetic decks. New resources every two weeks.
Filter the library
Language
Type
Level
3 Languages. 4 Challenges.
QuizAll levelsMultilingual
Can You Pass? Language Quizzes
Four timed, scored challenges in Arabic, Spanish, and German. Free. No signup.
Take a challenge →Library size
4today
Growing every two weeks. No filler. Every resource is built by a real person, reviewed by another.
Featured language
German
Our starting point. More languages arrive as partner reviewers come online.
Free Guides
Grammar, culture, and phrases
33 downloadable PDFs. Arabic, Spanish, German, and French. No signup required.
The Atlas
Deep dives for serious learners
6 long-form articles. Medical prep, dialect breakdowns, study technique.
Types we publish
Multiple formats. One at a time.
- Interactive GuideLIVE
- Cheat SheetLIVE
- Vocab ListLIVE
- QuizLIVE
- Written GuideSOON
- ToolSOON