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Study smarter for IELTS, TOEIC and HSK with AI speaking and writing rooms

High-quality human data for AI training, evaluation, and research

Turn any document, video or topic into a finished quiz in seconds

One AI study workspace with 25+ tools for essays, math, research and exam prep

Practise PTE Academic and PTE Core free, with AI scoring for speaking and writing

One connected, AI-native platform for GRC, IT, projects and operations

Chat with any PDF, video, or website and get cited answers in seconds

Catholic answer engine grounded in 30,000+ cited sources

PTE practice tests with instant AI scoring and realistic mock exams

Expert-reviewed digital SAT prep with adaptive tests and a curated question bank

AI-powered practice and scoring for the Duolingo English Test

Turn your notes into interactive AI quizzes

Search and study millions of public SKILL.md agent skills

An AI workbench that plans and executes real tasks, not just chats.

An intelligent notebook that turns browsing, files and video into notes

Real human data for AI training, evals, and research — in minutes

Good ideas, better timing — learn from 2,000+ startup stories

An AI growth agent that researches, builds and runs your ads across every channel

A private, offline notebook that turns your own sources into reports, decks and briefings

AI assignment helper with detection and humanizer in one place

A free place to study the Bible with an AI assistant

Customer and user research at scale, powered by AI conversations

Pass your Dutch driving theory exam the first time with online lessons, quizzes, and practice exams

Dropshipping course plus lifetime AI tools for one flat payment