Kong Long Mandarin offers a method for learning Mandarin Chinese by focusing on listening and speaking, acquiring the language naturally like a child. The site provides self-guided lessons, how-to guides, and grammar and expressions.
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LanguageGuide.org is a nonprofit project offering free vocabulary, audio and grammar guides in dozens of languages. It presents languages through images, audio and interactive learning, with explore, listen and speaking modes, and opens guides at the advanced level by default.
Laoshi is a Chinese language learning service built around smart flashcards and a spaced repetition system for studying Mandarin vocabulary and characters. It offers practice in reading and writing in the app, ready-made HSK word lists, goal setting and progress tracking. A family of digital tools includes a classroom, dictionary, grammar library, pinyin converter and Chinese name generator.
Learn C is a free interactive tutorial site for learning the C programming language, intended for both experienced programmers and beginners. It presents chapters from Hello, World! through pointers, structures, recursion and linked lists, and requires no download. The site notes it is still under construction.
Lengualytics is a tool for learning languages with comprehensible input. It lets users track hours spent on YouTube, reading, gaming and podcasts, and offers detailed analytics of comprehension progress. The site states it does not teach a language itself. Free to start.
LingoClip is a language learning site that uses music, having users fill in gaps in song lyrics while listening. It offers multiple game modes, a built-in translator, and karaoke mode, and supports several languages including English, Spanish, Portuguese, French, Italian, and German.
A language learning app that teaches the most frequently used words in context, aiming for understanding of most speech and text. It uses a custom spaced-repetition algorithm and linguistic analysis with neural networks, and is described as unlimited and ad-free. A web version is in beta.
Live Lingua Cantonese helps learn languages with dictionaries, reading tools, lessons, pronunciation, or study resources.
Lute (Learning Using Texts) is a standalone web application installed on a computer for reading texts. It supports defining languages and dictionaries, creating and editing texts, and creating terms and multi-word terms. It also offers parent terms and word images.
LyricFluent is a website and mobile app for learning languages through song lyrics, covering English, Spanish, French, German and Italian. It presents vocabulary in the context of songs and uses a spaced repetition system to support memorization.
Minato is an online Japanese e-learning site from the Japan Foundation. It offers Japanese courses and a community where learners can interact with fellow students around the world. Courses are listed for levels from A1 upward, in several languages, with free applications open. Beginners are welcomed.
Machine Learning Visualized is a book of Jupyter Notebooks that implement and mathematically derive machine learning algorithms from first principles. Each notebook's output is a visualization of the algorithm during training, converging at its optimal weights. Chapters cover optimization, clustering and reduction, linear models and activation functions, and neural networks.
The MXNet Clojure package brings GPU computing and deep learning to the Clojure programming language. It enables tensor and matrix computation with multiple GPUs in Clojure, and allows constructing and customizing deep learning models for tasks such as image classification and data science challenges.
OLI (Open Learning Initiative) offers free and low-cost self-paced online courses designed exclusively for independent learners. The courses are not intended for classroom use or formal assignments, and cover subject areas including language and speech, computer science, life sciences, and social sciences. Independent learner courses do not provide instructor support, tests, certificates, or academic credit.
Pleco is a Chinese language reference and learning app for iPhone, iPad, and Android. It offers OCR lookup, handwriting lookup, licensed dictionary databases, audio recordings, flashcards, a document reader, a screen reader for Android, and animated stroke order diagrams.
SignDeaf is a website for learning British Sign Language online, with a BSL dictionary containing videos, handshape guides and CEFR-graded difficulty ratings. It offers a Sign of the Day, categories and six CEFR levels from A1 to C2, and states that new signs are added every week. The site describes itself as a Deaf-first platform and states that the full dictionary and tools are free.
Sign Learner is a free browser extension for learning sign language while browsing the internet. It highlights words on web pages at random, and hovering over a highlighted word shows the corresponding sign in either ASL or BSL. Signs are drawn from a bank of over 6000 signs, and the extension is available from the Chrome Web Store.
Signs is a platform for learning American Sign Language with a webcam and AI, offering real-time feedback. Users can also record signs and contribute them to a growing public dataset of ASL videos. The platform is supported by NVIDIA.
Strong ASL is a site for learning American Sign Language, offering over 2,000 signs with video examples and tutorials and the ASL alphabet. It includes a searchable sign database, alphabet and fingerspelling lessons, quizzes, and an AI feature that interprets user signs and gives feedback.
SuperNative is a Japanese language learning tool that trains users to hear, read and speak Japanese using over 10,000 short clips from television and movies. The site states that textbooks and flashcards alone are not sufficient.
Tofugu is a Japanese culture and language blog. It publishes articles on Japanese learning topics, including kanji learning programs, kana resources, grammar differences and vocabulary, along with curated content and seasonal lists of new Japanese learning resources.
Tōku Reo is the official website for a Te Reo Māori language learning television series based on the Te Whanake course. It covers five series and offers interactive exercises, podcasts and a forum. The half-hour show broadcasts on Māori Television at 7pm Monday to Friday.
Trancy is a browser extension and app for language learning. It provides AI bilingual subtitles on platforms including YouTube, Netflix, Udemy, Disney+, TED, edX and Coursera, plus AI word and sentence translation and immersive translation for regular web pages.
YouGlish is a website for learning English pronunciation using clips of real people speaking. Users search words, phrases, word classes, gender and context to hear examples in real English. The site lists multiple languages and reports over 100 million clips.