







Deepnote is a drop-in replacement for Jupyter with an AI-first design, sleek UI, new blocks, and native data integrations. Use Python, R, and SQL locally in your favorite IDE, then scale to Deepnote cloud for real-time collaboration, Deepnote agent, and deployable data apps. https://deepnote.com/
Deepnote: Collaborative analytics & data science notebook
Explore data with Python & SQL, work together with your team, and share insights that lead to action — all in one place with Deepnote.

Project Jupyter
The Jupyter Notebook is a web-based interactive computing platform. The notebook combines live code, equations, narrative text, visualizations, interactive dashboards and other media.

Treehouse: Note-taking Frontend
An open source note-taking frontend to extend and customize. Bring your own backend or configure a built-in backend to get started.
deta/surf
Personal AI Notebooks. Organize files & webpages and generate notes from them. Open source, local & open data, open model choice (incl. local).
Introducing notebook.link: The Future of Notebook Sharing
Reimagining how you share, collaborate, and run Jupyter notebooks — all in your browser.

GitHub issues for notes
GitHub issues is almost the best notebook in the world. Free and unlimited, for both public and private notes. Comprehensive Markdown support, including syntax highlighting for almost any language. Plus …

Jupyter Notebooks – a publishing format for reproducible computational workflows
It is increasingly necessary for researchers in all fields to write computer code, and in order to reproduce research results, it is important that this code is published. We present Jupyter notebooks, a document format for publishing code, results and explanations in a form that is both readable and executable. We discuss various tools and use cases for notebook documents.
JupyterLite Officially Joins Project Jupyter!
We are thrilled to announce that JupyterLite is now an official part of Project Jupyter. This milestone marks a significant step forward for interactive computing in the browser and strengthens JupyterLite’s role within the Jupyter ecosystem.
Reflect
A beautifully minimalist note-taking app designed to mirror the way you think. Now with a native AI integration.

Best Notes App - Write and Organize with UpNote
UpNote is a clean and beautiful app for writing and organizing notes. It’s easy to use with rich features and delightful experience. Available on Mac, iOS, Android, Windows and Linux.
Fast Note Sync
Real-time sync of your vaults across server, mobile, and web; shareable with anyone; supports REST and MCP integrations to build your personal AI knowledge base.
marimo | a next-generation Python notebook
Explore data and build apps seamlessly with marimo, a next-generation Python notebook.

Welcome
I also work extensively with Project Jupyter, particularly the Binder Project and Jupyter Book.

How notebook.link Scales Without Backends
Notebook.link combines WebAssembly and the conda ecosystem to deliver scalable, serverless computing environments that run entirely in the browser. No backend. No scaling headaches. Just instant, collaborative scientific computing for everyone.

Scratch – A minimalist markdown scratchpad
An offline-first, open source markdown note-taking app. No cloud, no account, no subscriptions.


OmniCanvas - Free Infinite Canvas Notes App
Best Notes App - Write and Organize with UpNote
Antinote — a $5 scratchpad for macOS

NotePlan – Notes, Tasks and Calendar in One Daily Note

Let your thoughts sink in — Gravity
Knowledgebase Apps (by Boris) — Semble