Best Notebook OS Alternatives in 2026

Notebook OS — The OS layer Gemini Notebook was missing. Here are 12 alternatives in AI Assistants, ranked by community upvotes.

Updated September 2026 · Data from Product Hunt launches

MiroMiro

Copy any website's design & assets in one click

526

🎨AI Image & DesignJan 5

vs Notebook OS

Notion MCP

Your Notion workspace, inside every AI agent

493

⚡ProductivityMar 30

vs Notebook OS

Notion Custom Agents

Anything you can do in Notion, your Agent can do for you.

401

⚡ProductivityFeb 25

vs Notebook OS

TimeOS 2.0: Bill your hours in Notion.

Work your tasks. Bill your clients with confidence.

109

⚡ProductivityAug 2

vs Notebook OS

Notion 3.4

New dashboards, connectors, sidebar & smarter AI agents

🎨AI Image & DesignMay 10

vs Notebook OS

MiroMiro v2

Inspect, edit, and export any website's design

🎨AI Image & DesignMay 11

vs Notebook OS

Notion Developer Platform

Build on Notion, not just inside it

💻Developer ToolsMay 14

vs Notebook OS

Starter Bundle for Notion

Start Engineering Your Life

⚡ProductivityMay 19

vs Notebook OS

Mirowl

Search all your screenshots via a local OCR-powered AI

🤖AI AssistantsJun 2

vs Notebook OS

Open-source Notion alternative.

Local-first Notion alternative with a Claude Code brain

💻Developer ToolsJun 6

vs Notebook OS

Obsidian Treasury

AI executive finance command center for modern CFOs

🤖AI AssistantsJul 27

vs Notebook OS

Ultimate Bundle for Notion

Build Your Digital Twin

⚡ProductivityJul 30

vs Notebook OS