PyPI Stats
zerothi

sisl

Electronic structure Python package for post analysis and large scale tight-binding DFT/NEGF calculations
PyPI GitHub
Downloads
Day
309
Week
2.4K
Month
13.8K
Stars
224
Forks
65
Issues
89
Version
0.16.4

Package Insights

What's this?
Score breakdown - each component scores 0–100, weighted by percentage
Maintenance
90
Popularity
51
Adoption
41
Community
60
How the maintenance status was determined
Last commit
16 days ago
Monthly downloads
13,768
• 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
13,768
Stars
224
Stars per 1k downloads
16.27
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
339
Month daily avg
459
Momentum
-26.0%
((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
MPL-2.0
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
48 days ago
Total releases
50
Releases/year
5.0
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
13,768
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
73
 
Issue Burden
397.3
per 1k stars
Discussions
40.2
per 1k stars
Fork Ratio
16.9%
contrib / forks
Stale Release
No
 
PR Velocity
Active
 

Weekly Downloads

GitHub Stars

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

Downloads by OS

Linux 154
macOS 1

Python Versions

3.11
87.7% 136
3.9
6.5% 10
3.10
3.2% 5
3.12
2.6% 4

Top Countries

1. GB GB
133
2. US US
22
3. BD BD
2
4. CN CN
2
5. BR BR
1
6. CA CA
1

Dependencies

4
37 optional dependencies

Used By

7

Package Information

License
MPL-2.0
First Release
May 10, 2016
Last Release
1 month ago
Last Commit
2 weeks ago
Latest Version
0.16.4
Total Releases
50
Contributors
11
Open PRs
11
Archived
No
Author
Pol Febrer
Python Versions
3.10 3.11 3.12 3.13
Wheels
cp311
Keywords
tight-binding DFT LCAO NEGF physics bandstructure solid-state
Topics
physics negf geometry density-functional-theory siesta transiesta condensed-matter solid-state-physics solid-state graphene tbtrans wannier90 gulp vasp bigdft tight-binding dft
Tracking Since
January 6, 2026
Data Updated
May 3, 2026
Data Freshness
Fresh

Links