Monthly downloads
39.1K
Weekly downloads
12.4K
GitHub stars
-
Downloads in the 30 and 7 days to October 10, 2026. Refreshed weekly.
Package Information
Latest Version
Requires Python
Not specified
Licence
Apache 2
Last Release
5 years ago
Author
The OpenFermion Developers
First Release
September 22, 2017
Total Releases
10
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
Score based on PyPI data only - no linked source repository
N/A
Health Score
Not available
requires GitHub data
How the maintenance status was determined
Last release
2125 days ago
Monthly downloads
39,139
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
39,139
Stars
Unknown
Stars per 1k downloads
—
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
No star data — can't compute stars-to-downloads ratio.
How download momentum is calculated
Week daily avg
1,766
Month daily avg
1,305
Momentum
+35.4%
((week_daily_avg - month_daily_avg) / month_daily_avg) * 100More 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
Apache 2
•
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
2125 days ago
Total releases
10
Releases/year
1.1
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
Unknown
Monthly downloads
39,139
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
Contributor count is missing — this usually indicates the package has no linked GitHub repository.
Engagement
0
Issue Burden
-
per 1k stars
Discussions
-
per 1k stars
Fork Ratio
-
contrib / forks
Stale Release
No
PR Velocity
-
Not all downloads include detailed metadata. Breakdowns reflect the subset that does.
Downloads by OS
Linux
298
macOS
137
Windows
1
Python Versions
3.11
34.3%
148
3.12
33.8%
146
3.10
12.7%
55
3.13
12.5%
54
3.8
6.7%
29
Top Countries
1.
US
402
US
2.
JP
13
JP
3.
SG
10
SG
4.
CA
5
CA
5.
DE
3
DE
6.
CH
2
CH
7.
FR
1
FR
8.
IN
1
IN
9.
KR
1
KR
10.
NL
1
NL
Weekly Downloads
GitHub Stars
Dependencies
0
No dependencies
Used By
10
- bioql 2.3K/mo
- vqe-pennylane 2.0K/mo
- unitarylab-chemistry 855/mo
- pyliqtr 748/mo
- pennylane-qchem 702/mo
- tyxonq 647/mo
- qlass 315/mo
- qsimkit 134/mo
- gqex 115/mo
- qcc-circuit-transformer 58/mo
Repository details
Forks
-
Issues
-
Last Commit
-
Contributors
-
Open PRs
-
Archived
-
Data and sources
Tracking Since
September 26, 2026
Data Updated
October 11, 2026
Data Freshness
Fresh