2Ryun (第二现实)
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the knowledge OS for the AI era

One system. Six powers.

One platform, six connected modules — documents, knowledge, websites, answers, support, and reach, working as a single system.

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No credit card. No download. Works in your browser.

Six modules. One connected brain.

Every module is powerful on its own — and even more powerful together.

Documents

Store, organize, and version every document in one place.

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Wiki Engine

Let AI extract and connect knowledge automatically.

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Gen-HTML

Turn your document tree into a live multi-page website.

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AI Assistant

Ask questions. Get cited answers from your knowledge base.

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ChatBot

Deploy a custom support bot with your own persona.

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GEO

Optimize your content for AI-driven search engines.

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How the six modules work together

A layered architecture where knowledge flows from foundation to application.

Application Layer

Gen-HTML
AI Assistant
Chat Bot
GEO Engine
Powered by the knowledge core

Knowledge Core

Documents & Notes
Wiki Engine
01

Docs feed everything

All capabilities are built on top of your documents. Your content is the single source of truth.

02

Wiki makes it connected

The knowledge engine transforms documents into a searchable, linkable knowledge graph.

03

Apps deliver it

Upper-layer apps turn knowledge into websites, answers, customer support, and reach.

Jump straight to what you need

Not sure where to start? Pick a scenario — we'll point you to the right modules.

Grow & Reach

Get found by AI-driven search engines and beyond.

GEO Engine

Frequently asked questions

Do I need to use all six modules?
No — you can use modules as needed. They sync automatically when combined, but each works independently.
Does everything build on my documents?
Yes. Documents are the foundation. All other modules depend on them and the knowledge engine to deliver results.
Can I publish a website without coding?
Absolutely. Pick a template, and Gen-HTML turns your document tree into a live multi-page website in one click.
Will AI search engines find my content?
Yes — the GEO module provides content strategy and optimization so your knowledge gets cited by AI-driven search engines.
Is it free to start?
Yes. There's a Free tier — no credit card required. Start building today.

Try all six powers. Free.

Start Writing Free

No credit card. No download. Works in your browser.