PyRank
joblib

threadpoolctl

Python helpers to limit the number of threads used in native libraries that handle their own internal threadpool (BLAS and OpenMP implementations)
PyPI GitHub Verified repo
No known security advisories. The current version has no OSV.dev malware reports and no critical or high-severity vulnerabilities.

threadpoolctl has 185.9M monthly downloads and 424 GitHub stars. Version 3.6.0 supports Python 3.9+, first published in 2019.

It is actively maintained under a permissive license, last released in Mar 2025.

It is used by 649 tracked packages, including scikit-learn, imbalanced-learn and blosc2.

Downloads
Day
5.8M
Week
41.8M
Month
185.9M
Stars
424
Forks
37
Issues
27
Version
3.6.0

Package Insights

What's this?
Score breakdown - each component scores 0-100, weighted by percentage
Maintenance
80
Popularity
52
Adoption
70
Community
35
Provenance
100
How the maintenance status was determined
Last commit
18 days ago
Monthly downloads
185,860,338
• 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
185,860,338
Stars
424
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
5,970,684
Month daily avg
6,195,345
Momentum
-3.6%
((week_daily_avg - month_daily_avg) / month_daily_avg) * 100
Python 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
BSD-3-Clause
• 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
480 days ago
Total releases
12
Releases/year
1.7
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
17
Monthly downloads
185,860,338
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
46
 
Issue Burden
63.7
per 1k stars
Discussions
0.0
per 1k stars
Fork Ratio
45.9%
contrib / forks
Stale Release
462d
 
PR Velocity
Quiet
 

Weekly Downloads

GitHub Stars

Not all downloads include detailed metadata. Breakdowns reflect the subset that does.

Downloads by OS

Linux 4.1M
Windows 110.0K
macOS 55.1K

Python Versions

3.12
28.2% 1.0M
3.9
22.9% 819.4K
3.11
21.6% 769.6K
3.10
14.8% 526.8K
3.7
12.5% 448.0K

Top Countries

1. US US
3.3M
2. IE IE
160.3K
3. DE DE
108.6K
4. IN IN
86.7K
5. SG SG
78.6K
6. NL NL
66.2K
7. GB GB
48.6K
8. JP JP
43.1K
9. CA CA
33.1K
10. ES ES
27.7K

Package Information

License
BSD-3-Clause
First Release
June 3, 2019
Last Release
1 year ago
Last Commit
2 weeks ago
Latest Version
3.6.0
Total Releases
12
Contributors
17
Open PRs
5
Archived
No
Author
Thomas Moreau
Python Versions
3 3.9 3.10 3.11 3.12 3.13
Wheels
py3
Tracking Since
January 6, 2026
Data Updated
July 5, 2026
Data Freshness
Fresh

Links