No known security advisories.
The current version has no OSV.dev malware reports and no critical or high-severity vulnerabilities.
jupyterlab-server has 40.3M monthly downloads and 151 GitHub stars. Version 2.28.0 supports Python 3.8+, first published in 2018.
It is minimally maintained under a permissive license, last released in Oct 2025.
It is built on top of babel, importlib-metadata and jinja2. It is used by 77 tracked packages, including notebook, jupyterlab and voila.
GitHub topics include jupyterlab.
Package Insights
Score breakdown - each component scores 0-100, weighted by percentage
Maintenance
50
Popularity
50
Adoption
80
Community
85
Provenance
0
How the maintenance status was determined
Last commit
257 days ago
Monthly downloads
40,303,422
Active
Activity within 30 days
Stable
Activity within 31-180 days
•
Minimal
Activity within 181-365 days, or no activity data
At Risk
No activity for > 365 days, but > 10,000 monthly downloads
Archived
Repository flagged as archived on GitHub
How the popularity category was determined
Monthly downloads
40,303,422
Stars
151
Stars per 1k downloads
0.00
•
Industry Standard
> 10,000,000 monthly downloads
Hidden Gem
< 0.5 stars per 1k downloads and > 100,000 monthly downloads
Community Favorite
> 5 stars per 1k downloads
Rising Star
Balanced ratio of stars to downloads
Unknown
Fewer than 1,000 monthly downloads, or no star data
How download momentum is calculated
Week daily avg
1,450,124
Month daily avg
1,343,447
Momentum
+7.9%
((week_daily_avg - month_daily_avg) / month_daily_avg) * 100Python version support tiers
requires_python
>=3.8
Cutting Edge
Minimum supported version is 3.12 or newer
Modern
Minimum supported version is 3.9, 3.10, or 3.11
•
Legacy
Supports 3.8 or older (or Python 2)
Unknown
No requires_python specified or unparseable
License categories
License
BSD 3-Clause License
•
Permissive
MIT, Apache, BSD, ISC, Unlicense, CC0, etc.
Copyleft
GPL, LGPL, AGPL, MPL, EPL, etc.
Proprietary
Commercial, all rights reserved, custom EULAs
Unknown
No license specified, or none of the above match
How the release cadence was determined
Last release
257 days ago
Total releases
115
Releases/year
14.7
•
Rapid
Last release within 365 days and > 12 releases/year
Regular
Last release within 365 days
Slow
Last release 366-730 days ago
Stalled
Last release > 730 days ago, or no releases
Unknown
No usable release date available
How contributor risk was determined
Contributors
93
Monthly downloads
40,303,422
High Load
≤ 2 contributors and ≥ 50,000 monthly downloads
Moderate Load
< 10 contributors and ≥ 500,000 monthly downloads
Low Load
< 25 contributors and ≥ 5,000,000 monthly downloads, or sole maintainer with ≥ 10,000 monthly downloads
•
Balanced
Enough contributors for the package's popularity
Unknown
No contributor data available
Engagement
76
Issue Burden
112.6
per 1k stars
Discussions
0.0
per 1k stars
Fork Ratio
89.4%
contrib / forks
Stale Release
No
PR Velocity
Quiet
Weekly Downloads
GitHub Stars
Not all downloads include detailed metadata. Breakdowns reflect the subset that does.
Downloads by OS
Linux
753.0K
Windows
31.5K
macOS
13.2K
Python Versions
3.10
34.9%
240.9K
3.12
25.8%
178.1K
3.11
20.4%
140.9K
3.8
11.1%
76.7K
3.9
7.8%
53.7K
Top Countries
1.
US
888.0K
US
2.
DK
82.5K
DK
3.
IE
57.6K
IE
4.
NL
45.5K
NL
5.
SG
25.0K
SG
6.
SE
15.4K
SE
7.
IN
13.6K
IN
8.
DE
13.0K
DE
9.
JP
8.0K
JP
10.
BR
7.9K
BR
Dependencies
8
- babel >=2.10
- importlib-metadata >=4.8.3
- jinja2 >=3.0.3
- json5 >=0.9.0
- jsonschema >=4.18.0
- jupyter-server <3,>=1.21
- packaging >=21.3
- requests >=2.31
24 optional dependencies
- autodoc-traits[docs]
- hatch[test]
- ipykernel[test]
- jinja2[docs]
- mistune[docs]
- myst-parser[docs]
- openapi-core[openapi]
- openapi-core[test]
- openapi-spec-validator[test]
- pydata-sphinx-theme[docs]
- pytest[test]
- pytest-console-scripts[test]
- pytest-cov[test]
- pytest-jupyter[test]
- pytest-timeout[test]
- requests-mock[test]
- ruamel-yaml[test]
- ruamel-yaml[openapi]
- sphinx[docs]
- sphinx-copybutton[docs]
- sphinxcontrib-openapi[docs]
- sphinxcontrib-spelling[test]
- strict-rfc3339[test]
- werkzeug[test]
Used By
77
- notebook
- jupyterlab
- voila
- jupyterlite-sphinx
- nbgrader
- mkdocs-jupyterlite
- qbraid-lab
- beaker-notebook
- mercury
- beaker-kernel
- nwb4fp
- gupy-framework
- libro-server
- segmented-creator
- kernl
- jupyterlab-transformers-completer
- jupyter-mcp-manager
- hbac-bias-detection
- vitamin-model-checker-test
- qh-jupyterlab
- ali-agent
- palmettobug
- benchaudit
- tpds-core
- kestrel-jupyter
- beastsim
- openad
- tvb-ext-xircuits
- mamba-gator
- galaxysled
- trenchripper
- autopilotml
- pretzelai
- edubotics-core
- knic-jupyter
- backtest-reg
- impresso-commons
- causal-forecast
- bytegrader
- littlesnowfox
- a-piece-of-shit
- nwb4fprobe
- kailin
- repo2wasm
- python-203-main
- jupyterlab-in-context-translation
- smrtnet
- bminet
- myz-tools
- jupyterlab-theme-python-courses
Package Information
License
BSD 3-Clause License
First Release
September 13, 2018
Last Release
8 months ago
Last Commit
8 months ago
Latest Version
2.28.0
Total Releases
115
Contributors
93
Open PRs
6
Archived
No
Python Versions
3.8
3.9
3.10
3.11
3.12
Wheels
py3
Keywords
Tracking Since
January 6, 2026
Data Updated
July 5, 2026
Data Freshness
Fresh