Polyglotta
Polyglotta is a multilingual translation and language learning platform that lets users translate text into more than 70 languages and view results side by side so they can see how phrases, grammar, and nuance compare across linguistic contexts, helping deepen understanding rather than delivering a single generic translation. It supports instant multilingual translation, real-time language auto-detection, and an interactive “Chat” mode where users can converse with an AI language partner across multiple languages with contextual responses, stored chats, and conversational history. It also includes high-quality AI-generated audio pronunciation in multiple voices to aid listening and speaking practice, and features like achievements, streaks, and community engagement that motivate continued learning and exploration of languages in a shared environment.
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Google Cloud Translation API
Make your content and apps multilingual with fast, dynamic machine translation available in thousands of language pairs.
The basic edition of the Translation API translates the texts of your website and your applications into more than 100 languages instantly. The Advanced edition offers dynamic results just as quickly as the Basic edition, but also includes other customization features, which is very important when you use phrases or terms that are specific to specific areas and contexts. The pre-trained model of the Translation API supports over a hundred languages, from Afrikaans to Zulu. With AutoML Translation you can create custom models in more than fifty language pairs. Thanks to the Translation API glossary, the content you translate will remain true to your brand. You just have to indicate which vocabulary you want to give priority to and save the glossary file in your translation project.
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Gemini 3.5 Live Translate
Gemini 3.5 Live Translate is Google’s latest audio model for live speech-to-speech translation, delivering near real-time translation in more than 70 languages. The model automatically detects multilingual input and generates smooth, natural-sounding translated speech that preserves the speaker’s intonation, pacing, and pitch. Unlike turn-by-turn translation systems that wait for someone to finish speaking before responding, Gemini 3.5 Live Translate processes speech as it streams and generates translated audio continuously, balancing the need for context with the need to stay in sync. It stays only a few seconds behind the speaker throughout a session, helping conversations feel more fluid and natural, without awkward pauses. It is built for multilingual calls, meetings, lessons, broadcasts, live interpretation, dubbing, simultaneous translation, and voice translation applications.
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Traverba
Traverba is an on-device AI translator that works entirely offline. Voice, camera OCR, screen translation, and text — all powered by on-device ML with zero cloud dependency. 140+ languages with Cantonese as a first-class language.
Bluetooth P2P Conversation — Multiple phones connect over BLE for real-time translated conversation. Each device runs speech recognition and translation locally. No WiFi needed. Ideal for multilingual teams, tour groups, and cross-language households.
Voice — Speak naturally, see translated results instantly. Camera — Point at menus, signs, or documents for overlay translation. Screen — Translate any on-screen text without switching apps.
Fully offline. Privacy-first — no data leaves your phone. Free core features. iOS and Android.
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