PyPI Stats
nikhil-sarin

redback

A software package for end-to-end modelling, fitting, and interpretation of electromagnetic transients via Bayesian Inference
PyPI GitHub
Downloads
Day
16
Week
138
Month
1.9K
Stars
73
Forks
37
Issues
0
Version
1.15.3

Package Insights

What's this?
Score breakdown - each component scores 0–100, weighted by percentage
Maintenance
90
Popularity
41
Adoption
32
Community
70
How the maintenance status was determined
Last commit
26 days ago
Monthly downloads
1,913
• 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
1,913
Stars
73
Stars per 1k downloads
38.16
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
20
Month daily avg
64
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.
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
GNU General Public License v3 (GPLv3)
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
26 days ago
Total releases
21
Releases/year
5.1
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
22
Monthly downloads
1,913
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
60
 
Issue Burden
-
per 1k stars
Discussions
-
per 1k stars
Fork Ratio
59.5%
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 2

Python Versions

3.12
100.0% 2

Top Countries

1. US US
10
2. CA CA
1

Dependencies

16
14 optional dependencies

Used By

0
Not used by any tracked packages

Package Information

License
GNU General Public License v3 (GPLv3)
First Release
March 11, 2022
Last Release
3 weeks ago
Last Commit
3 weeks ago
Latest Version
1.15.3
Total Releases
21
Contributors
22
Open PRs
3
Archived
No
Author
Nikhil Sarin, Moritz Huebner
Python Versions
3
Topics
kilonovae supernovae timedomainastronomy astronomy multi-messenger tidal-disruptions transients gamma-ray-bursts spectrum-analyzer
Tracking Since
January 14, 2026
Data Updated
May 3, 2026
Data Freshness
Fresh

Links