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Privacy-first · Knowledge2026
UNIUN — Decentralized Second Brain
A decentralized, offline-first knowledge and social platform with fully on-device AI — your notes, identity, and models stay on your device. No servers, no algorithmic feed.
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Role
Full-Stack & AI Engineer
Timeline
2026
Year
2026
Category
Privacy-first · Knowledge
100%
On-device AI
E2E
Encrypted & user-owned
Overview
UNIUN fuses personal note-taking, social networking, and fully on-device AI into a decentralized, offline-first platform where your data never leaves your device. It runs lightweight local models grounded in your own notes, with user-owned identity, MLS-encrypted channels and DMs, and a self-hostable relay.
Highlights
- ◆Offline-first knowledge graph with an interactive canvas linking notes and references.
- ◆On-device AI chat grounded in your notes, plus autonomous agents for scheduled actions.
- ◆User-owned keypair identity, MLS end-to-end encryption, and an open-source, self-hostable stack.
FlutterGoNostrOn-device AI