Package Insights
Package Risks
- Moderate bus factor: only 4 contributor(s) for this download volume
Score breakdown - each component scores 0–100, weighted by percentage
Maintenance
65
Popularity
51
Adoption
68
Community
20
How the maintenance status was determined
Last commit
118 days ago
Monthly downloads
757,774
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
757,774
Stars
241
Stars per 1k downloads
0.32
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
24,015
Month daily avg
25,259
Momentum
-4.9%
((week_daily_avg - month_daily_avg) / month_daily_avg) * 100Python version support tiers
requires_python
Not specified
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
Package does not declare a minimum Python version.
License categories
License
zlib/libpng
•
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
153 days ago
Total releases
24
Releases/year
3.6
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
4
Monthly downloads
757,774
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
37
Issue Burden
0.0
per 1k stars
Discussions
0.0
per 1k stars
Fork Ratio
6.7%
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
17.6K
macOS
9
Windows
4
Python Versions
3.12
52.6%
8.5K
3.11
20.9%
3.4K
3.10
17.5%
2.8K
3.13
4.6%
752
3.9
4.5%
722
Top Countries
1.
US
13.2K
US
2.
NL
703
NL
3.
IN
617
IN
4.
DK
493
DK
5.
ID
292
ID
6.
DE
276
DE
7.
IE
260
IE
8.
SG
251
SG
9.
JP
210
JP
10.
GB
197
GB
Dependencies
0
No dependencies
Package Information
License
zlib/libpng
First Release
September 5, 2019
Last Release
5 months ago
Last Commit
3 months ago
Latest Version
0.5.4.post2
Total Releases
24
Contributors
4
Open PRs
0
Archived
No
Author
Charles Leifer
Wheels
cp310
cp311
cp312
cp313
cp314
cp39
Topics
-
Tracking Since
January 6, 2026
Data Updated
May 3, 2026
Data Freshness
Fresh