Praktika ai is an immersive English learning app that helps users improve their English expression more naturally through language practice by conversing with AI virtual characters.

Lingobo is an AI English learning tool for enterprise teams, focused on micro-conversation lessons. Users can practice English communication through everyday interactions with AI in a lower-pressure environment and improve their expressive ability at their own pace.

Fluentify is a free open-source web assistant tool that supports directly processing selected text while browsing, reducing copy-pasting and page switching, and providing more natural English polishing.