Free Goethe-Zertifikat study materials for all CEFR levels (A1–C2) — vocabulary, grammar, reading, listening, speaking, writing, and mock exams. Bilingual German/English for beginners.

Analyzes the given text and determine what's the vocabulary level based on CEFR levels

A corpus of short answers written by learners of English and graded with CEFR levels

The CEFR Level Classifier Project is a AI Streamlit-based application that utilizes a two-phase Camembert model to accurately classify texts into six CEFR language proficiency levels. This innovative tool offers user-friendly navigation for both training and text classification.

Elaisa Search - CEFR Categerorizer

Webpage and csv file of 3000 core Russian Verbs for learners

小初高/四六级/专四专八与国外CEFR/COCA的对应关系（词汇）

Free open-source Ukrainian course. A1 to C2. Based on Ukrainian State Standard 2024. «Мова – душа народу»

A CEFR-Graded Lexical Resource for Dutch as a Foreign Language Linked to Open Dutch WordNet

Code and data for TSAR 2025 Shared Task

📝 The Swedish Kelly list as a Hugging Face dataset

Adaptive reading coach. Multi-language comprehension practice customized by Generative AI agents, built with Next.js.

Web-based PDF vocabulary analyzer with CEFR level highlighting and automatic glossary generation

Anki decks: 🇪🇸 ES / 🇫🇷 FR / 🇩🇪 DE / 🇮🇹 IT A1→B2 / 🇨🇳 HSK 1→9

Woertle Embed — a German-language Wordle game with CEFR filters — on any site via iframe.

A Comparative Study of Methods for English Lexical Simplification.

Python package that evaluates the CEFR level of a given text.

Measuring semantic robustness in LLM-based CEFR essay scoring through systematic prompt paraphrasing. University of Exeter Year 3 Computer Science research project.

An edtech project exploring how prompt engineering can support language teachers in lesson planning, material creation, and CEFR-aligned adaptation.

End-to-end grammar scoring engine that evaluates spoken English using speech-to-text, NLP-based grammar analysis, CEFR mapping, and a cloud-deployed Streamlit app.