Connect the dots of your digital life

Transform scattered notes, bookmarks, contacts, and media into a living knowledge network — then discover the people behind the information.

Three Dimensions of Connection

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Info ↔ Info

Link your notes, bookmarks, contacts, and media into a connected knowledge graph. See how everything relates — and discover insights you never expected.

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People ↔ People

Discover like-minded people through shared interests, overlapping knowledge, and complementary expertise. Build meaningful connections beyond simple friend lists.

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Info ↔ People

Find who has the information you need. Instead of exposing sensitive data, Link123 reveals relationship paths — so you can connect safely, offline, through people you trust.

Built for Your Digital Life

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Personal Knowledge Graph

12 types of entities, rich relationships, and cross-language search. Write in Chinese, search in English — your knowledge connects seamlessly across languages.

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End-to-End Encrypted

Your sensitive data is encrypted on your device before it ever leaves. We cannot read it. No one can — not even us. Zero-knowledge architecture.

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12 Content Types

Notes, voice memos, bookmarks, contacts, organizations, locations, tags, files, life events, structured data, media groups, and narrated subtitles — all in one place.

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Smart Discovery

Our graph-powered recommendation engine surfaces connections you would never find manually — both in your content and across the community.

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Secure Messaging

End-to-end encrypted conversations with rich content sharing. Forward any item from your personal space directly into a chat.

AI Personal Knowledge Assistant

Your AI remembers conversations, understands your data, and searches your personal knowledge graph across languages. Your data, your choice of AI model — always.

Beyond Traditional AI Chat

Most AI tools only remember what you said. Link123 understands what you have.

Capability Traditional AI Chat Link123
Memory Flat text snippets Temporal knowledge graph
Your Data Only conversations 12 entity types + photos + docs
Cross-language Search Not available Write in any language, find in any language
Privacy Platform controls your data E2EE zero-knowledge — only you can read
AI Model Locked to one provider Switch freely between providers
🔒 End-to-End Encrypted
🛡️ Zero-Knowledge Architecture
🔍 Relationship Path Discovery
📋 GDPR Compliant

Ready to connect your digital life?

Link123 is coming soon. Stay tuned for launch updates.