Placement and study plans
Start with a CEFR assessment, then get a weekly roadmap adapted to your level, target language, and pace.
Hello
Hi
Hola
Ciao
Ola
Hallo
Bonjour
ใใใซใกใฏ
์๋
ํ์ธ์
ไฝ ๅฅฝ
AI language learning platform
Learn with Lingu, your AI language tutor.
FreeLingo combines CEFR placement, personalized study plans, multi-language progress, flashcards, voice conversation, listening and reading exercises, and native-language learning support.
Features
Everything in one structured learning loop.
AI tutor chat and memory
Lingu remembers useful details across all your learning languages, while you can add, review, or delete memories from Settings.
Voice conversations
Practice speaking with TTS/STT, voice activity detection, barge-in, persisted transcripts, and a post-assessment demo.
Listening and reading
Generate level-aware audio and reading comprehension exercises that match your current study language.
Resources and flashcards
Use grammar, vocabulary, phrasebook, skills tracking, and SM-2 flashcards with native-language translations.
Multi-language progress
Study English, Spanish, Italian, Portuguese, German, French, Japanese, Korean, and Mainland Chinese side by side.
Hosted or self-hosted
Use the hosted web, or run the full stack yourself.
freelingo.app
Sign up and learn immediately with the managed service. No server, GPU, Docker, or maintenance required.
Open hosted webYour server, your data
Deploy the AGPL-3.0 stack with PostgreSQL, Redis, FastAPI, Next.js, Ollama or external LLMs, TTS, and STT.
View repositoryOpen Source
Built in the open, auditable by anyone.
FreeLingo is free and open source under AGPL-3.0. Organisations that need a customised or white-labelled deployment without AGPL obligations can use the commercial licence option.