jupyter-server-ydoc
jupyter-server extension integrating collaborative shared models.
Decision gist · record as of 2026-08-14
Yes, if you need real-time multi-user editing in Jupyter. The package is actively maintained, has low install friction, carries a permissive BSD license, and has no known vulnerabilities. It is a purpose-built extension for Jupyter Server with stable dependencies. Install it only if your Jupyter deployment requires collaborative editing; it is not useful as a standalone library.AI-flagged interpretation of the facts on this page — verify before relying
Before you install
- Requires Python 3.10 or later; intended as a Jupyter Server extension, not standalone library code.
- Low friction install with active maintenance.
- Released 11 days ago with recent commits.
License · maintenance · safety
permissive license (permissive) — Modified BSD License (3-Clause) is permissive and imposes no restrictions on commercial or proprietary use, only requiring preservation of copyright and license notices in distributions.
last release 2026-08-03 (11 days) · last repo commit 2026-08-03 · 267 stars
0 known vulnerabilities (OSV.dev, 2026-08-14) · 1,498,380 downloads/mo, #3,831 on PyPI
Alternatives
Verify before relying
pip install jupyter-server-ydoc
from jupyter_server_ydoc import YDocExtension
# Extension is loaded automatically by Jupyter Server when installed- Whether this package alone enables collaboration or requires additional JupyterLab frontend extensions to be installed separately.
- Performance characteristics and scalability limits for concurrent users in a shared session.
- Whether pycrdt-websocket is the only supported transport or if other backends are available.
What it is and what it does
jupyter-server-ydoc is a Jupyter Server extension that integrates Y documents (a CRDT-based collaborative data structure) to enable real-time multi-user editing in JupyterLab. It sits between the Jupyter Server and JupyterLab clients, synchronizing changes across connected users through pycrdt and pycrdt-websocket for transport.
The package handles the server-side coordination of shared document state, allowing multiple users to edit the same notebook or file simultaneously with live updates. It depends on jupyter-server, jupyter-ydoc, jsonschema, jupyter-events, jupyter-server-fileid, pycrdt, and pycrdt-websocket to manage document synchronization, event routing, and file identity tracking.
Use it for
- Enable live collaborative notebook editing for teams working on the same analysis or code in real time.
- Support classroom or workshop environments where an instructor and students edit shared notebooks together.
- Facilitate pair programming and code review sessions within JupyterLab without manual file synchronization.
- Build shared research or data science workflows where multiple analysts need to work on the same notebook concurrently.
- Implement document-level conflict resolution and undo/redo that respects concurrent edits from multiple users.
Worth the install?
AI-flagged interpretation of the facts on this page. Verify before relying on it.
Yes, if you need real-time multi-user editing in Jupyter.
The package is actively maintained, has low install friction, carries a permissive BSD license, and has no known vulnerabilities. It is a purpose-built extension for Jupyter Server with stable dependencies. Install it only if your Jupyter deployment requires collaborative editing; it is not useful as a standalone library.
Install
jupyter-server-ydoc on PyPI
Before you install
Low friction install with active maintenance. Released 11 days ago with recent commits. Depends on 7 runtime packages including jupyter-server, pycrdt, and pycrdt-websocket for collaboration infrastructure.
Requires Python 3.10 or later; intended as a Jupyter Server extension, not standalone library code.
License in practice
Modified BSD License (3-Clause) is permissive and imposes no restrictions on commercial or proprietary use, only requiring preservation of copyright and license notices in distributions.
Quickstart
pip install jupyter-server-ydoc
from jupyter_server_ydoc import YDocExtension
# Extension is loaded automatically by Jupyter Server when installedVerify before relying
- Whether this package alone enables collaboration or requires additional JupyterLab frontend extensions to be installed separately.
- Performance characteristics and scalability limits for concurrent users in a shared session.
- Whether pycrdt-websocket is the only supported transport or if other backends are available.
Package facts
| License | permissive license permissive |
| Python support | Supports the current Python release >=3.10 |
| Install friction | Low. Pure-Python wheel |
| Runtime dependencies | 7 packagesjsonschemajupyter-eventsjupyter-server-fileidjupyter-serverjupyter-ydocpycrdtpycrdt-websocket |
| Maintenance | Actively maintained 11 days since the last release |
| Last repo commit | |
| First released | |
| Downloads | 1,498,380 / month, #3,831 on PyPI 30-day window, as of 2026-08-14 |
| Known vulnerabilities | None known OSV.dev, checked 2026-08-14 |
| Classifiers | Framework :: JupyterIntended Audience :: DevelopersIntended Audience :: Science/ResearchIntended Audience :: System AdministratorsLicense :: OSI Approved :: BSD LicenseProgramming Language :: PythonProgramming Language :: Python :: 3.10Programming Language :: Python :: 3.11Programming Language :: Python :: 3.12Programming Language :: Python :: 3.13Programming Language :: Python :: 3.14 |
Evidence: jupyter_server_ydoc-3.0.0-py3-none-any.whl
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See also jupyter-docprovider · jupyter-ydoc · jupyter-collaboration · jupyter-collaboration-ui · ypy-websocket · jupyterlab-git · jupyterhub · y-py · pycrdt · jupyter-server-documents