Duolingo (Web/App)
Self-paced
None
Free gamified language learning across 40+ languages. Best-in-class for habit-building and daily practice; weaker for advanced grammar.
What you will learn:
- 5-15 minute daily lessons
- Speaking, listening, reading, writing
- Spaced repetition built in
- Streak-based motivation
Who it is for: Anyone starting a new language, learners who need daily habit reinforcement.
Honest take: Best free tool for building the language-learning habit. Pair with structured grammar courses for serious progress.