VibeLingは、外国語の単語やフレーズを保存し、翻訳・発音・例文を生成して間隔反復で復習できるモバイル語彙アプリ。iOSとAndroid対応、無料プランとPro版あり。
LangPanda is a browser extension for learning languages from streaming video and other supported sites. It combines instant subtitle lookup, flashcard creation, vocabulary tracking, and spaced-repetition review for 36 languages.
AI Shadowing is a language-learning tool that turns YouTube videos into clickable sentence loops with instant word-level AI explanations. It helps self-directed learners practice shadowing in a browser or on Android without manually scrubbing or switching apps.
Copycat Cafeは、フランス語とスペイン語の会話を実際のやり取りで学び、音読と低圧のチャット練習で自信を高める語学学習サービスです。発音採点、AIチャット、個人・家族・チーム向けプランを提供します。
Sublern is a free Chrome extension that translates subtitle words in video players for language learners. It shows meaning, pronunciation, and example sentences without leaving playback.
Monkey Morse is a browser-based Morse code trainer for practicing both sending and reading Morse with adjustable timing, difficulty, and performance tracking. It is aimed at learners who want structured practice in the browser rather than a reference-only tool.
Vocabi is a Chrome extension that translates words or short phrases while you browse, then saves them as spaced-repetition flashcards. It works without an account and supports 10 languages.
Haiker is a Hacker News mobile app for iOS and Android with automatic translation, reply notifications, bookmarks, and a native reading experience.
Ona AI is a learning assistive tech product centered on real-time sign language avatars for deaf and hard of hearing learners. It also offers an accessibility dataset that users can request for accessibility-focused applications and research.
Vokabulo is an AI vocabulary builder for expats and professionals who need to learn foreign-language words in context. It helps users capture vocabulary, generate contextual translations, and review it with spaced repetition on iPhone and iPad.
Celynは、ノッチ内にライブ字幕を表示し、音声を端末内で処理するmacOS翻訳アプリです。通話、会話、動画の翻訳に対応し、音声をMac外へ送信しません。
Krisp: Accent Converter for YouTube is a Chrome extension that helps viewers understand spoken English more easily on YouTube. It runs in real time on the listener side and is described as free and unlimited to start.
Wordie is a Chrome browser extension for building and reviewing vocabulary while you browse. It highlights saved words on web pages, supports active recall practice, and keeps words, notes, and analytics stored locally on your device.
Neuralingo is a web-based language-learning platform that uses active learning and AI-guided practice for reading, listening, speaking, pronunciation, and grammar. It is aimed at learners who want structured, personalized study rather than passive memorization.
easyquran.aiで無料にオンラインでクルアーンを音声朗読と翻訳付きで読む。18言語の語ごとの分析も対応。
LanguageTool is an AI-powered grammar checker and writing assistant for proofreading, rewriting, and style improvement across 30+ languages. It works in the browser, an online editor, and supported office and desktop apps.
Mooon is a browser-based Japanese file processing tool that extracts text, normalizes layout, adds furigana, translates, and reads content aloud. It supports documents, images, EPUBs, and manga, and includes a browser extension for reading Japanese web pages.
Mooon is a Japanese document processing tool for PDFs, images, EPUBs, and text files. It helps readers convert layouts, add furigana, translate content, and read files or manga aloud, with a browser extension for webpage reading as well.
Lingofable is a story-based language learning app that helps learners practice reading at an appropriate level and review new vocabulary in context. It currently supports Spanish, with Android listed as coming soon.
ChatPal is an AI language learning app for speaking practice with realistic conversations and personalized feedback. It helps learners build confidence in languages such as Spanish, Italian, French, English, Portuguese, Hindi, and Swahili.