教育科研
Language Reactor
Language Reactor: your language learning toolbox. Discover, understand, and learn from native materials, including Netflix and YouTube. (Formerly called 'Language Learning with Netflix'.)
International IQ Test 2026 - 100% Free & Instant Results
Over 16 million people have taken the International IQ Test. You'll get your IQ score for free. No payment required. Start the test.
LearnFast AI – Free Online Step-by-Step Homework Helper
LearnFast AI helps you study faster with free, step-by-step online solutions for math, science, and more. Smarter learning, instant results.
Design & Illustration Courses and Tutorials | Envato Tuts+
Find thousands of original, free design and illustration tutorials and courses to help you improve your current skills or pick up a new one. Choose from Adobe Photoshop, vector, drawing and InDesign, trend and themed quality educational content.
Periodic Table - Ptable
Interactive periodic table showing names, electrons, and oxidation states. Visualize trends, 3D orbitals, isotopes, and mix compounds. Fully descriptive writeups.
Trancy - YouTube AI Bilingual Subtitles & Language Reactor Pro
Trancy not only provides bilingual subtitles support for platforms like YouTube, Netflix, Udemy, Disney+, TED, edX, Kehan, Coursera, but also offers AI word/sentence translation and immersive translation for regular web pages. It is a true all-in-one language learning assistant.
Giggle Academy | Free Language Learning For Kids - Storybooks, Nursery Rhymes Songs Online
Giggle Academy is a free, child-friendly learning platform offering children's storybooks, nursery rhymes, vocabulary courses for language learning, and basic literacy development programs. We are committed to empowering children's learning through fun and interactive content. Giggle Academy is also a free language learning platform for children, aiming to provide learning opportunities for children around the world through engaging and confident spoken English, Spanish, Chinese, and other languages, structured curriculum design, anytime, anywhere learning, gamified learning, and blog sharing by parents and teachers, ensuring that every child can learn happily and grow healthily.
The Photographic Periodic Table of the Elements
The definitive online periodic table reference site including technical data, and photographs and descriptions of thousands of samples of the chemical elements.
Learn any language, for free
Maspeak helps you learn to speak new languages with smart quizzes, real examples, and audio. No fluff — just what works. Choose your native language and the one you want to learn Multiple choice, fill-in-the-blank, audio, images — variety keeps you sharp Your level adapts as you learn. See your stat
ChatEDU - AI Tools for Students
Dynamic practice questions, citation-based chatbots, interactive study guides, and more! Learn anything, anywhere, anytime with AI-powered educational tools.
Giggle Academy | Free Language Learning For Kids - Storybooks, Nursery Rhymes Songs Online
Giggle Academy is a free, child-friendly learning platform offering children's storybooks, nursery rhymes, vocabulary courses for language learning, and basic literacy development programs. We are committed to empowering children's learning through fun and interactive content. Giggle Academy is also a free language learning platform for children, aiming to provide learning opportunities for children around the world through engaging and confident spoken English, Spanish, Chinese, and other languages, structured curriculum design, anytime, anywhere learning, gamified learning, and blog sharing by parents and teachers, ensuring that every child can learn happily and grow healthily.
CodeCombat - Coding games to learn Python and JavaScript
Learn typed code through a programming game. Learn Python, JavaScript, and HTML as you solve puzzles and learn to make your own coding games and websites.
Scilab | Scilab
What is Scilab? Scilab is a free and open source software for students, academics, engineers & scientists. Features Scilab includes hundreds of mathematical functions. It has a high level programming language allowing access to advanced data structures, 2-D and 3-D graphical functions. Xcos Xcos is
Monkeytype | A minimalistic, customizable typing test
The most customizable typing test website with a minimal design and a ton of features. Test yourself in various modes, track your progress and improve your speed.
Origami Instructions - Origami Way
Our step-by-step origami instructions and diagrams teach you how to make all the popular designs easily and effortlessly.
PhET: Free online physics, chemistry, biology, earth science and math simulations | PhET Simulations
{"pageTitles":{"ActivitiesPage":"Activities","ActivityContributionGuidelinesPage":"Activity Contribution Guidelines","AppsForSchoolsPage":"Apps for Schools","BrowsePanel":"Browse","ChangeEmailPage":"Change Your PhET Email Address","ChangePasswordPage":"Change Your PhET Password","CreateActivityPage"
Japanese Typing Practice - Hiragana, Katakana & JLPT | FlowType
Free Japanese typing practice with no signup on FlowType.AI: hiragana, katakana, AI typing, JLPT, verb forms, time expressions, WPM, accuracy, cloze, and dictation.
Entertrained - practice typing by retyping books
Combine the joy of reading and the art of typing in a fun, interactive experience. Track your progress, review detailed statistics, and improve your skills.
Mathcha - Online Math Editor
Online WYSIWYG Mathematics Editor (Equation Editor), fast and powerful Editing features, inputting Normal text, Math symbols, and drawing Graph/Diagram in one single editor, help writing Math Document much easier. Export to Latex, Tikz, SVG, or Image (PNG).
OpenRead - AI Research Platform | Research Intelligence for Everyone
Access over 300 million papers with AI analysis for scientific discovery, market research, competitive intelligence, policy analysis, investment research, product development, and any research need across all industries and disciplines.
Glosbe Dictionary - All Languages of the World in One Place
Glosbe dictionary - one place, all languages! Translations, example sentences, pronunciation recordings and grammar references. Check it out!
Atom Animation
Explore atomic structure with interactive 3D animations, periodic table, and chemistry data visualizations. Free educational tool for students and teachers.
AlphaSense | Market Intelligence and Search Platform
Find company insights, market data and research across 500M+ documents instantly. Make faster, confident decisions with AlphaSense's AI-powered platform.
AcademicEarth.org - Free Online Courses From Top Colleges
Find free online courses, lectures, and videos from the best colleges in the country. Take online classes from schools like Yale, MIT and Stanford.
Open Research Publishing - Advancing Knowledge - F1000
F1000 provides open research publishing services to funders, institutions, and societies worldwide. Partner with F1000 today to maximize research impact.
MIT OpenCourseWare | Free Online Course Materials
MIT OpenCourseWare is a web based publication of virtually all MIT course content. OCW is open and available to the world and is a permanent MIT activity
继续下滑，发现更多网站
加载更多