Caatuu

Spec sheet

Product

Caatuu is a local-first, open-source language-learning platform built around interactive worlds.Read 13 Oct 2026 · github.com

Mobile apps

YesRead 19 Sep 2026 · github.com

AI and dictionaries

The project describes its tools as including dictionaries, retrieval, and offline-friendly intelligence.Read 12 Oct 2026 · github.com

Android

The repository says learners can continue through a native Android experience when a course manifest enables it.Read 13 Oct 2026 · github.com

Contributions

The project says external contributions are temporarily paused.Read 13 Oct 2026 · github.com

Course availability

The README says that registering Norwegian does not add it to an already published Android APK.Read 12 Oct 2026 · github.com

Course content

The project says Caatuu-authored English, Mandarin, Spanish-course, and Norwegian curriculum content is licensed AGPL-3.0-only.Read 13 Oct 2026 · github.com

Course review

The repository says course previews do not promote them to active courses or clear pending reviews.Read 13 Oct 2026 · github.com

Courses

The README lists English-to-Czech as active and English-to-Mandarin, English-to-Spanish, Spanish-to-American-English, and English-to-Norwegian Bokmål as development previews.Read 12 Oct 2026 · github.com

Development status

Caatuu describes itself as an active development preview built in public.Read 13 Oct 2026 · github.com

Grammar

The project describes interactive games for practicing grammar.Read 13 Oct 2026 · github.com

Languages

The repository lists Czech as active and Mandarin, Spanish, Spanish-to-English, and Norwegian Bokmål as development previews.Read 13 Oct 2026 · github.com

Languages offered

5Read 19 Sep 2026 · github.com

Learning activities

It combines stories, games, dictionaries, language models, and memorable characters.Read 13 Oct 2026 · github.com

Open source

The project says its first-party software and developer documentation are licensed AGPL-3.0-only.Read 13 Oct 2026 · github.com

Open source license

The README states that first-party software, developer documentation, and named Caatuu curriculum content are licensed AGPL-3.0-only.Read 12 Oct 2026 · github.com

Pricing

The opened maker repository README does not state plan prices, a free plan, or a free trial.Read 12 Oct 2026 · github.com

Retrieval

The project describes dictionaries, retrieval, and offline-friendly intelligence as part of the learning experience.Read 13 Oct 2026 · github.com

Review status

The README says the course license approval does not certify native-speaker or pronunciation review.Read 12 Oct 2026 · github.com

Speech practice

YesRead 19 Sep 2026 · github.com

Third-party terms

The README says third-party or separately licensed models, dictionaries, datasets, artwork, branding, and components may have separate terms.Read 12 Oct 2026 · github.com

Vocabulary

Learners can explore vocabulary through illustrated scenes and generated sentences.Read 13 Oct 2026 · github.com

Web

The repository says the registered courses are available for browser delivery.Read 13 Oct 2026 · github.com

Web and Android

The README says learners can use Caatuu on the web and continue through a native Android experience when the course manifest enables it.Read 12 Oct 2026 · github.com

Where Specifiction places it

• Language learning apps#269 of 2787.0