Open Source

Your digital second brain

Gnosi connects your notes, ideas and knowledge into an intelligent visual graph. Discover connections you didn't know existed.

Do you have too much information?

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Hundreds of notes

Saved articles, meeting notes, project ideas... Lost in folders.

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No connections

Related ideas in different apps, impossible to find relationships between them.

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Little time

You reinvent the wheel. You don't remember writing about that topic months ago.

Gnosi solves it

A system that understands your notes and shows you how they connect.

Everything you need

Features designed to help you think better

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Knowledge Graph

Visualize your notes as an interactive map. Every idea is a node, every connection is a path.

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Block Editor

Create rich content with text, images, tables and links. Like Notion, but yours.

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AI Assistant

Ask your second brain in natural language. Gnosy helps you connect ideas.

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Unified Calendar

Sync Google Calendar events with your notes. Everything in one place.

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Smart Email

Manage your email from Gnosi. Generate replies with AI and maintain context.

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Social Networks

Publish and schedule content on Mastodon and Bluesky from one place.

As simple as 1, 2, 3

Start building your second brain in minutes

1

Create

Add your notes, articles, book quotes. Gnosi imports from Notion, Obsidian or Markdown files.

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2

Connect

Link your notes manually or let AI suggest new connections based on content.

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3

Explore

Navigate your graph, filter by topics, find patterns. Discover hidden knowledge.

Connect your entire ecosystem

Gnosi integrates with the tools you already use

Gmail
Google Calendar
Notion
Mastodon
Bluesky
Zotero

An experience designed for you

Vault - Notes Editor
Graph - Visualization
Calendar
AI Assistant

Get started today

Build your second brain. Organize your knowledge. Discover new ideas.