If you're looking for a Q&A site covering many languages and offering pronunciation and writing feedback from humans, HiNative is a good choice. It covers more than 110 languages and offers feedback from both AI and native speakers. The site is geared toward authentic expressions and pronunciation feedback to help language learners improve their grammar, vocabulary and cultural understanding. Pricing isn't clear, but the app is free to download, so it's accessible to many people.
Another tool worth a look is Talkpal, which offers conversational interactions and immediate feedback to help you practice speaking, listening, writing and pronunciation. It's multilingual, with tools like roleplays and debates to keep things interesting. It offers a free plan with limited use, and two Premium plans that offer more practice and personalized feedback.
SpeakAI offers a similar full-featured learning experience with personalized lessons and interactive exercises. It covers several languages and offers real-time grammar correction and dialogue mode for conversational interactions. It's good for improving spoken language skills and fluency, and the free version includes all core features.
If you're looking for a teacher-focused tool, Speakable is a good option. It offers AI-powered feedback on speaking, listening, writing and reading skills in more than 100 languages. It's designed to let teachers save time with auto-grading and analytics, so it's good for preparing students for language proficiency exams. It also offers several pricing tiers, including a free option.