PyRank

openfermion

The electronic structure package for quantum computers.
PyPI GitHub
Downloads
Day
4.7K
Week
31.7K
Month
165.2K
Stars
-
Forks
-
Issues
-
Version
1.7.1

Package Insights

What's this?
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
351 days ago
Monthly downloads
165,162
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
165,162
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
4,533
Month daily avg
5,505
Momentum
-17.7%
((week_daily_avg - month_daily_avg) / month_daily_avg) * 100
Python version support tiers
requires_python
>=3.10.0
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
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
351 days ago
Total releases
35
Releases/year
4.0
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
Unknown
Monthly downloads
165,162
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
-
 

Weekly Downloads

GitHub Stars

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

Downloads by OS

Linux 1.0K
macOS 797
Windows 1

Python Versions

3.12
40.8% 726
3.11
34.3% 610
3.13
16.4% 292
3.10
7.2% 128
3.8
1.4% 25

Top Countries

1. US US
1.7K
2. MY MY
56
3. CN CN
52
4. IE IE
35
5. AU AU
27
6. SG SG
22
7. RU RU
18
8. JP JP
11
9. IT IT
9
10. TW TW
8

Package Information

License
Apache 2
First Release
September 22, 2017
Last Release
11 months ago
Last Commit
-
Latest Version
1.7.1
Total Releases
35
Contributors
-
Open PRs
-
Archived
-
Author
The OpenFermion Developers
Python Versions
3 3.10 3.11 3.12 3.13
Wheels
py3
Keywords
algorithms api application programming interface chemistry cirq electronic structure fermion fermionic systems google quantum google hamiltonians high performance nisq noisy intermediate-scale quantum python quantum algorithms quantum chemistry quantum circuit simulator quantum circuit quantum computer simulator quantum computing quantum development kit quantum programming language quantum programming quantum simulation quantum qubit hamiltonians qubit sdk simulation software development kit
Tracking Since
January 6, 2026
Data Updated
May 17, 2026
Data Freshness
Fresh

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