No known security advisories.
The current version has no OSV.dev malware reports and no critical or high-severity vulnerabilities.
blinker has 182.1M monthly downloads and 2K GitHub stars. Version 1.9.0 supports Python 3.9+, first published in 2010.
It is showing limited recent maintenance under a permissive license, last released in Nov 2024.
It is used by 574 tracked packages, including flask, apache-airflow-providers-fab and streamlit.
GitHub topics include blinker and signals.
Package Insights
Package Risks
- No releases in 218 days despite active commits
- High downloads but no recent maintenance activity
Score breakdown - each component scores 0-100, weighted by percentage
Maintenance
30
Popularity
69
Adoption
70
Community
30
Provenance
100
How the maintenance status was determined
Last commit
387 days ago
Monthly downloads
182,148,376
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
182,148,376
Stars
2,071
Stars per 1k downloads
0.01
•
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
5,928,700
Month daily avg
6,071,613
Momentum
-2.4%
((week_daily_avg - month_daily_avg) / month_daily_avg) * 100Python version support tiers
requires_python
>=3.9
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
MIT 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
605 days ago
Total releases
17
Releases/year
1.0
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
32
Monthly downloads
182,148,376
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
41
Issue Burden
0.0
per 1k stars
Discussions
1.4
per 1k stars
Fork Ratio
16.8%
contrib / forks
Stale Release
218d
PR Velocity
Quiet
Weekly Downloads
GitHub Stars
Not all downloads include detailed metadata. Breakdowns reflect the subset that does.
Downloads by OS
Linux
3.6M
Windows
116.1K
macOS
40.1K
Python Versions
3.12
36.7%
1.3M
3.11
29.0%
1.0M
3.10
13.5%
476.4K
3.13
12.6%
445.2K
3.14
8.2%
288.3K
Top Countries
1.
US
2.7M
US
2.
SG
134.3K
SG
3.
IE
121.8K
IE
4.
DE
101.0K
DE
5.
NL
87.3K
NL
6.
IN
84.1K
IN
7.
JP
62.1K
JP
8.
GB
47.9K
GB
9.
BR
36.9K
BR
10.
HK
36.7K
HK
Dependencies
0
No dependencies
Used By
574
- flask
- apache-airflow-providers-fab
- streamlit
- pdm
- flask-socketio
- quart
- flask-mail
- fastapi-mail
- okta
- flask-oidc
- anki-release
- nplusone
- fedora-messaging
- pelican
- cg
- invenio-base
- pkdevtools
- docassemble-base
- streamlit-nightly
- workflow
- changedetection-io
- flowtask
- bw2data
- invenio-oauthclient
- docassemble-webapp
- mangopaysdk
- oemof-solph
- autonomous-app
- oemof-network
- wandelbots-nova
- mangopay4-python-sdk
- opengeodeweb-back
- bumps
- jesse
- swiss-ai-hub-core
- mongoengine-plus
- flask-iiif
- udata
- raygun4py
- flask-authz
- insightconnect-plugin-runtime
- octoprint
- qulab
- flask-multipass
- nikola
- multifunctional
- flask-webtest
- flask-pluginengine
- orator
- oarepo
Package Information
License
MIT License
First Release
February 14, 2010
Last Release
1 year ago
Last Commit
1 year ago
Latest Version
1.9.0
Total Releases
17
Contributors
32
Open PRs
0
Archived
No
Author
Jason Kirtland
Wheels
py2
py3
Tracking Since
January 6, 2026
Data Updated
July 5, 2026
Data Freshness
Fresh