A grammar reference site presenting Japanese grammar points organized by JLPT level, from N5 through N1, with separate lists for each level. Entries give a pattern, a short English meaning and example sentences; the page includes a toggle for Japanese sentences and English meanings, and jump links to each level, plus a changelog.
Directory
Search results
Published directory entries matching your search.
A tutorial site presenting basic principles of Japanese grammar and usage for learners who think in a Western language. It compares and contrasts English and Japanese grammar rather than relying on memorized patterns, and Japanese examples are written in romaji rather than kana and kanji. Topics include verbs, particles and sentence structure.
SpanishChecker is an online editor that finds common spelling and grammar errors in Spanish. Users type or paste text into the editor, which reports possible errors and a grammar score. The site also offers vocabulary and grammar resources and references its French counterpart BonPatron and English counterpart ESLwriter.
BonPatron is an online spelling and grammar checker for French as a second language. It finds common spelling errors and grammatical mistakes in French. The site also offers vocabulary, grammar, conjugation and phonetics tools, and a Pro account.
JapaneseTest4You is a website offering free online Japanese practice tests. It provides JLPT Kanji, grammar, vocabulary, reading and listening tests in all levels, along with vocabulary, grammar and kanji lists, infographics, flashcards and ebooks.
ProWritingAid's grammar checker fixes grammar and style issues and integrates with writing apps such as Word, Google Docs, and Scrivener. The page also lists a paraphrasing tool, inspiration generator, writing analyzer, and developmental editor, and offers free sign-up and viewable plans.
Scribens is a free English grammar checker that corrects spelling and grammar mistakes, including conjugation, agreement, word confusion, punctuation and typography. It offers explanations for detected mistakes and is available in over 40 languages. It also integrates with applications such as Gmail, Outlook, Microsoft Word, Google Docs and Google Sheets.
A Hugging Face Space that accepts uploaded or recorded audio and returns a text transcription with grammar correction. The page reports a runtime error because none of PyTorch, TensorFlow >= 2.0, or Flax were found, so models are unavailable.
AnyTextEditor is a free online text editor that provides extensive functionality for editing and manipulating text. Users can work with various fonts, encodings, and code formats. The tool includes utilities such as find and replace, case conversion, URL decoding and encoding, HTML and CSS editing, word and character counting, grammar checking, text comparison, and text-to-speech. It also offers generators for passwords, QR codes, barcodes, random data, and more, as well as converters for documents like PDF, Word, and Excel.
Cantonese.ca is a website offering information for learning colloquial Cantonese (Yue Chinese) as spoken by youth in Hong Kong and in overseas communities. It covers tones, pronunciation, common phrases, basic vocabulary, grammar, and thematic vocabulary.
A site that helps users make Mastodon bots. Bots are written in Tracery, a tool for writing generative grammars, and running them is described as free. Users create an account for the bot on a bot-friendly Mastodon instance and supply only that instance's domain name to begin.
Citation MachineĀ® is a free education and research tool that helps students and professionals properly credit the information they use. It generates citations in APA, MLA, Chicago, Turabian, and Harvard formats, with options to export bibliographies to Google Drive or Microsoft Word. The platform also offers supplementary tools including a plagiarism checker, grammar proofreader, paraphrasing tool, AI-powered writing assistant, and comprehensive citation and writing guides for various formatting styles.
Conjuguemos is a language-learning site for practicing verb conjugations, vocabulary and grammar in Spanish, French and other languages. It offers drill activities, single-player practice games, competitive multiplayer games and textbook-aligned activities. Teachers can create, import and modify activities and use a gradebook with progress statistics. A free student tier and a free teacher plan with limited activities and stored grades are available.
DigMandarin is a site that helps people discover how to learn Mandarin Chinese, offering in-depth guides, how-tos, tips, interviews, reviews and structured courses. Its guides cover Chinese pronunciation, the HSK test, Chinese characters, graded readers, online courses, podcasts and grammar topics.
dplyr is an R package providing a grammar of data manipulation with a consistent set of verbs, including mutate(), select(), filter(), summarise() and arrange(), which combine with group_by(). It is designed to abstract over how data is stored, so the same R code works with local data frames and remote database tables via the dbplyr package.
Dreaming is an immersive language-learning app for Spanish and French. It presents videos and other content at beginner, intermediate and advanced levels, aiming to mimic first-language acquisition without memorization or grammar drills. The app is mobile, and the material progresses toward content just below native media.
Du Chinese is a Mandarin reading and listening practice tool with articles, stories, and courses graded from newbie to master. It offers instant word lookup, translations, grammar tips, and audio by native speakers for iOS, Android, and web. Du Chinese is free to download, and a variety of lessons are available for free; a premium subscription gives access to all lessons in the app.
Eberban is a logical constructed language intended to be simple, regular, and expressive. Its grammar lets users manipulate predicates with particles, and valid sentences are syntactically unambiguous. The site offers parsers, tools, and learning resources, and it states that users can create their own tools and abstractions.
Writing editor for improving clarity, readability, grammar, and style before publishing text.
engVid provides free English video lessons by experienced native-speaker teachers. Topics include grammar, vocabulary, pronunciation, IELTS, TOEFL and writing. Lessons are organized by level and topic, with individual teachers offering related exercises such as common mistakes and practice examples.
Extension (Grammarly's browser extension) is a tool that provides AI-powered writing assistance across web platforms, with features including grammar checking, proofreading, and generative AI tools for drafting and rewriting text.
Gadfly is a Julia package for creating statistical graphics. Developed by GiovineItalia, it provides a grammar of graphics for generating visualizations in Julia. The repository includes documentation, examples, and installation instructions, and is open source.
ggplot2 is a system for declaratively creating graphics, based on The Grammar of Graphics. Users provide the data and specify how variables map to aesthetics and which graphical primitives to use, and the system handles the details. It is described as over 10 years old, and installation is available through the tidyverse or as a standalone package.
The online version of the work-in-progress third edition of the book ggplot2: Elegant Graphics for Data Analysis, published by Springer. It focuses on explaining the Grammar of Graphics that ggplot2 uses and describes its full details rather than serving as a cookbook. Written by Hadley Wickham, Danielle Navarro and Thomas Lin Pedersen.