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Test language support through shaping behavior as well as character coverage.

An interactive programming language for technical and numerical computing.

Personalized online language lessons and teacher matching.

A graphical Racket development environment with interactive evaluation, language selection, and debugging tools.

Connect graduate career ideas with jobs and postgraduate study

Searchable language lessons organized by level and modality.

Free language study for real-life situations.

AI language tutor with lessons that adapt to you

Write programmable configuration with validation and generate JSON, YAML, and other output formats.

UX case studies, examples and structured learning paths

AI language tutor for speaking practice

A source and web editor with built-in HTML preview, file tools and language-server support.

Language proficiency benchmarks and practice for K-12 language programs.

Open courses across UNESCO's fields of work

Audio and video language lessons with study tools.

Turn a concise text description into a customizable diagram with the D2 language.

AI training platform that turns PDFs, videos, or text into multilingual courses.

Humanitarian learning organized around roles and needs

AI-powered learning platform that builds personalized pathways for career growth.

Iowa gardening answers from university extension specialists

Structured lifelong learning for the health workforce

A collection of dictionaries, companions and encyclopedias

Enterprise AI platform and AI-native learning suite

Italian lessons and audio study with teacher Manu.