Your Private
AI Second Brain

A stunning, privacy-first desktop app that captures your ideas, connects them with local AI, and helps you think better. All on your machine.

100%
Private & Local
Free
Open Source
Local AI
Ollama Powered
Features

Everything You Need to Think Better

Capture, connect, and reflect on your ideas with powerful tools that work together seamlessly.

Quick Capture

Press Ctrl+Shift+C anywhere to instantly capture thoughts, voice, or screenshots.

AI Processing

Local AI summarizes, tags, and extracts entities from your notes. Private and fast.

Knowledge Graph

Interactive graph showing connections between notes, tags, and concepts.

Focus Mode

Pomodoro timer with ambient sounds and optional website blocker.

Semantic Search

AI-powered semantic search across all your notes. Find what you need instantly.

Voice Recording

Record voice notes that get transcribed and processed automatically.

Screenshot OCR

Capture screenshots and extract text. Save visual info as searchable notes.

100% Private

Everything runs locally. SQLite database, local AI, no cloud dependency.

Visual Thinking

See Your Ideas Come Alive

The interactive knowledge graph visualizes connections between your notes, making it easy to discover new relationships and insights you never noticed before.

Notes
Tags
Entities
Connections
Project Alpha Machine Learning System Design Team Sync Strategy AI suggests
47 nodes 128 connections
25:00
Session 1 of 4
Deep Work

Enter Flow State

Focus mode combines a Pomodoro timer with ambient sounds and a distraction-free environment. Block distracting sites, play calming sounds, and track your deep work sessions.

Pomodoro
Ambient Sounds
Site Blocker
Stats Tracking
Testimonials

Loved by Thinkers

Join thousands of users transforming their thinking workflow.

“CogniFlow completely changed how I organize my thoughts. The knowledge graph helps me see connections I never noticed before.”

SC
Sarah Chen
Product Designer

“The privacy-first approach is exactly what I needed. Local AI processing means I can use it for sensitive work notes without worry.”

MJ
Marcus Johnson
Software Engineer

“As a researcher, the ability to capture and connect ideas is invaluable. The AI auto-tagging saves me hours each week.”

ER
Emily Rodriguez
PhD Researcher
Get Started

Download CogniFlow

Available for all platforms. Free and open source.

What's Next

More Coming Soon

We're building powerful new features for CogniFlow. Here's a peek at what's on the horizon.

AI Chat

Chat with your second brain. Ask questions, get summaries, explore connections conversationally.

Encrypted Sync

Optional end-to-end encrypted sync across devices. Your data, your keys, your control.

Mobile App

Native iOS and Android apps for capturing on the go. Syncs seamlessly with your desktop.