PyRank
nucleic

kiwisolver

Efficient C++ implementation of the Cassowary constraint solving algorithm
PyPI GitHub
Downloads
Day
8.4M
Week
44.9M
Month
203.7M
Stars
767
Forks
106
Issues
18
Version
1.5.0

Package Insights

What's this?
Score breakdown - each component scores 0-100, weighted by percentage
Maintenance
80
Popularity
60
Adoption
70
Community
50
How the maintenance status was determined
Last commit
51 days ago
Monthly downloads
203,697,505
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
203,697,505
Stars
767
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
6,417,465
Month daily avg
6,789,917
Momentum
-5.5%
((week_daily_avg - month_daily_avg) / month_daily_avg) * 100
Python version support tiers
requires_python
>=3.10
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
74 days ago
Total releases
23
Releases/year
1.9
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
33
Monthly downloads
203,697,505
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
23.5
per 1k stars
Discussions
0.0
per 1k stars
Fork Ratio
31.1%
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 3.7M
Windows 202.4K
macOS 107.4K

Python Versions

3.12
26.9% 915.5K
3.13
22.0% 747.9K
3.10
20.2% 685.5K
3.11
19.6% 665.0K
3.9
11.3% 383.6K

Top Countries

1. US US
3.0M
2. DE DE
111.7K
3. GB GB
105.4K
4. IE IE
85.7K
5. IN IN
77.7K
6. SG SG
68.2K
7. NL NL
67.4K
8. CN CN
55.4K
9. JP JP
41.2K
10. FI FI
39.9K

Package Information

License
BSD 3-Clause License
First Release
January 10, 2014
Last Release
2 months ago
Last Commit
1 month ago
Latest Version
1.5.0
Total Releases
23
Contributors
33
Open PRs
1
Archived
No
Python Versions
3 3.10 3.11 3.12 3.13 3.14
Wheels
cp27 cp310 cp311 cp312 cp313 cp314 cp34 cp35 cp36 cp37 cp38 cp39 pp310 pp311 pp36 pp37 pp38 pp39
Tracking Since
January 6, 2026
Data Updated
May 17, 2026
Data Freshness
Fresh

Links