PyRank
hachmannlab

chemml

ChemML is a machine learning and informatics program suite for the chemical and materials sciences.
PyPI GitHub
More links
Download Stats url
Monthly downloads
590
Weekly downloads
271
GitHub stars
180

Downloads in the 30 and 7 days to October 10, 2026. Refreshed weekly.

Package Information

Latest Version
1.3
Requires Python
Not specified
Licence
BSD-3C
Last Release
3 years ago
Author
Mojtaba Haghighatlari, Johannes Hachmann
First Release
March 23, 2018
Total Releases
17
Python Versions
3
No reported malware or high/critical advisories · Details

The current version has no OSV.dev malware reports and no critical or high-severity vulnerabilities.

Package Insights

What's this?
Score breakdown - each component scores 0-100, weighted by percentage
Maintenance
70
Popularity
46
Adoption
27
Community
40
Provenance
0
How the maintenance status was determined
Last commit
80 days ago
Monthly downloads
590
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
590
Stars
180
Stars per 1k downloads
305.08
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
Needs at least 1,000 monthly downloads to classify popularity.
How download momentum is calculated
Week daily avg
39
Month daily avg
20
Momentum
—
((week_daily_avg - month_daily_avg) / month_daily_avg) * 100
Momentum not reported for packages with < 5,000 monthly downloads — percentages are noisy at low volume.
More insights and metrics
Python version support tiers
requires_python
Not specified
Cutting Edge
Minimum supported version is 3.14 or newer
Modern
Minimum supported version is 3.11 to 3.13
Legacy
Supports 3.10 or older (or Python 2)
• Unknown
No requires_python specified or unparseable
Package does not declare a minimum Python version.
License categories
License
BSD-3C
• 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
1104 days ago
Total releases
17
Releases/year
2.0
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
11
Monthly downloads
590
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
43
 
Issue Burden
11.1
per 1k stars
Discussions
0.0
per 1k stars
Fork Ratio
33.3%
contrib / forks
Stale Release
1023d
 
PR Velocity
Quiet
 
Not all downloads include detailed metadata. Breakdowns reflect the subset that does.

Downloads by OS

Windows 1

Python Versions

3.13
100.0% 1

Top Countries

1. US US
14
2. DE DE
2
3. CA CA
1
4. FR FR
1

Weekly Downloads

GitHub Stars

Dependencies

14
9 optional dependencies

Used By

1

Repository details

Forks
33
Issues
2
Last Commit
2 months ago
Contributors
11
Open PRs
1
Archived
No

Data and sources

Tracking Since
September 26, 2026
Data Updated
October 11, 2026
Data Freshness
Fresh
Keywords
Machine Learning Data Mining Quantum Chemistry Materials Science Drug Discovery
Sources and methodology