Professional Fields

wikiHow

Learn how to do anything with wikiHow, the world's most popular how-to website. Easy, well-researched, and trustworthy instructions for everything you want to know.

ChinaTextbook

An open-source mathematics textbook project dedicated to promoting educational equity, offering PDF resources from primary school to university levels. It features automated merging of split PDF files, serving families and students worldwide.

Coursera

Coursera offers online courses, professional certificates, and skill training from top universities and institutions worldwide, helping users learn new knowledge anytime, anywhere, and enhance their career competitiveness. Start your learning journey now!

笨方法学英语！

English Challenge offers self-assessment and practice for English vocabulary, grammar, and reading comprehension, suitable for students, professionals, and English enthusiasts. Real-time feedback and a wrong answer notebook feature facilitate efficient learning. Try it now!

Poe

Explore the power of AI at Poe.com, where you can interact with top models like ChatGPT and Claude 3.5 Sonnet. Our user-friendly platform connects you with millions of AI solutions for casual conversations, creative writing, and more. Discover the future of AI communication and enhance your productivity today!

Brainly

Brainly is an online learning Q&A community involving students and educators worldwide, covering multiple disciplines such as mathematics and science, offering homework solutions and learning material sharing to enhance learning efficiency. Join now to solve learning challenges!

DeepL Translate

Translate texts & full document files instantly. Accurate translations for individuals and Teams. Millions translate with DeepL every day.

BestLearn

专业的在线学习工具平台，提供英语听说读写训练、科学的学习方法和个性化学习体验。现已支持初级到高级的英语学习内容。

StudyX

Get instant, step-by-step solutions for all subjects with StudyX AI homework helper. Available 24/7 with accurate answers, AI tutoring, and community support.

Meet the new Notion AI

Notion AI integrates intelligent collaboration features, automating text processing and content creation to enhance the efficiency of teams and individuals. Experience intelligent generation and optimization now to make work more efficient.

ChatPDF

ChatPDF is an online PDF file assistant tool that supports natural language Q&A, content summary extraction, and multilingual PDF management, helping users efficiently understand and organize PDF content. Experience it now to enhance your reading efficiency!

FireFlies

Fireflies uses generative AI to bring ChatGPT to meetings. Generate transcripts and smart summaries for Zoom, Google Meet, Microsoft Teams, Webex and several other platforms.

Youglish

Master English Pronunciation Like a Native! YouGlish (100M+ clips).Struggling with English pronunciation? YouGlish uses real people speaking real English to help you master tricky sounds. No more dictionary confusion!

Perplexity AI

Perplexity is a free AI-powered answer engine that provides accurate, trusted, and real-time answers to any question.

QuizLet

Quizlet makes learning fun and easy with free flashcards and premium study tools. Join millions of students and teachers who use Quizlet to create, share, and learn any subject.

Episoden - Talk in English

Episoden is a live video chat platform for real-time English conversation. Connect with global partners in 7-minute sessions using fresh daily topics. Free to use on web and mobile—ideal for building fluency, confidence, and cultural exchange.

DailyDictation

DailyDictation is a free English learning platform offering dictation exercises from stories, conversations, and exam materials. Improve your listening, writing, and speaking skills through structured audio training.

Dessix

Dessix is an AI-enhanced workspace that captures ideas as Blocks, structures context automatically, and enables deep collaboration with AI. Ideal for research, writing, and knowledge work—AI sees exactly what you see.

Student Free Resources

**edu.52it.de** is a one-stop hub for students to access powerful tools, AI services, and premium software at little or no cost—just by verifying student status. It’s a must-bookmark site for every student who wants to boost productivity without breaking the bank.

DP Technology

Bohrium is a new AI-powered research platform for global scientists. It aims to offer researchers worldwide a new paradigm with technological innovation, making knowledge acquisition, understanding, and application smarter and more efficient.

Globe Explorer AI

Explorer is an AI-powered discovery and learning engine that provides intelligent and relevant search results. Try it now!