Anki Open source
A flashcard app that uses spaced repetition to help you remember vocabulary.
- Best for
- Memorising words and phrases.
- Limits to know
- It is a flashcard tool, not a course, and the iPhone app is paid.
Duolingo: Game-style language learning. Here are 3 free or open-source options.
| Tool | Type | Best for |
|---|---|---|
| Anki | Open source | Memorising words and phrases. |
| Language Transfer | Free | Learning to speak a language from scratch. |
| Busuu | Free tier | Following a step-by-step course. |
A flashcard app that uses spaced repetition to help you remember vocabulary.
Free audio courses that teach by getting you to think through the language.
A language app with structured lessons.
A free option is often enough, but not always. If you depend on specific features, file compatibility or support, check the limits above first. Visit Duolingo to compare.