OneNote

Freemium

Microsoft's free digital notebook for capturing ideas.

Alternatives & related tools

AI built into Notion to write, summarize and brainstorm.

Google's AI research assistant grounded in your own sources.

The connected workspace where docs, wikis and projects live.

A private, local-first knowledge base on plain text files.

A beautiful, structured document and note-taking app.

The AI-powered workspace that organizes your notes for you.

A studio for your mind — object-based note-taking.

A note-taking tool for networked thought.