PyRank
joblib

loky

Robust and reusable Executor for joblib
PyPI GitHub Verified repo
No known security advisories. The current version has no OSV.dev malware reports and no critical or high-severity vulnerabilities.

loky has 1.7M monthly downloads and 622 GitHub stars. Version 3.5.6 supports Python 3.9+, first published in 2017.

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

It is built on top of cloudpickle. It is used by 45 tracked packages, including coffea, adaptive and prediction-market-agent-tooling.

GitHub topics include multiprocessing-library.

Downloads
Day
42.4K
Week
319.7K
Month
1.7M
Stars
622
Forks
58
Issues
52
Version
3.5.6

Package Insights

What's this?
Score breakdown - each component scores 0-100, weighted by percentage
Maintenance
90
Popularity
56
Adoption
60
Community
50
Provenance
100
How the maintenance status was determined
Last commit
26 days ago
Monthly downloads
1,684,481
• 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
1,684,481
Stars
622
Stars per 1k downloads
0.37
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
45,677
Month daily avg
56,149
Momentum
-18.7%
((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 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
313 days ago
Total releases
45
Releases/year
4.7
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
28
Monthly downloads
1,684,481
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
54
 
Issue Burden
83.6
per 1k stars
Discussions
0.0
per 1k stars
Fork Ratio
48.3%
contrib / forks
Stale Release
287d
 
PR Velocity
Quiet
 

Weekly Downloads

GitHub Stars

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

Downloads by OS

Linux 25.3K
Windows 352
macOS 253

Python Versions

3.10
74.7% 19.1K
3.12
16.7% 4.3K
3.11
4.3% 1.1K
3.14
2.5% 647
3.13
1.8% 451

Top Countries

1. US US
24.3K
2. SG SG
1.2K
3. IE IE
141
4. NL NL
87
5. GB GB
65
6. CZ CZ
38
7. CH CH
29
8. NO NO
28
9. DE DE
27
10. CN CN
17
GitHub Topics
Tags from the package's GitHub repository describing what it does.

Package Information

License
BSD 3-Clause License
First Release
January 6, 2017
Last Release
10 months ago
Last Commit
3 weeks ago
Latest Version
3.5.6
Total Releases
45
Contributors
28
Open PRs
13
Archived
No
Python Versions
3 3.9 3.10 3.11 3.12 3.13
Wheels
py2 py3
Tracking Since
January 6, 2026
Data Updated
July 5, 2026
Data Freshness
Fresh

Links