PyRank
QSD-Group

qsdsan

Quantitative Sustainable Design (QSD) of sanitation and resource recovery systems.
PyPI GitHub Verified repo
No known security advisories. The current version has no OSV.dev malware reports and no critical or high-severity vulnerabilities.
Downloads
Day
101
Week
489
Month
2.7K
Stars
43
Forks
28
Issues
3
Version
1.5.3

Package Insights

What's this?
Score breakdown - each component scores 0-100, weighted by percentage
Maintenance
100
Popularity
37
Adoption
34
Community
70
Provenance
100
How the maintenance status was determined
Last commit
3 days ago
Monthly downloads
2,681
• 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
2,681
Stars
43
Stars per 1k downloads
16.04
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
70
Month daily avg
89
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
>=3.12
• 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
NCSA
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
30 days ago
Total releases
68
Releases/year
12.3
• 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
21
Monthly downloads
2,681
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
54
 
Issue Burden
-
per 1k stars
Discussions
-
per 1k stars
Fork Ratio
75.0%
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 124
Windows 1

Python Versions

3.11
58.1% 72
3.10
15.3% 19
3.14
14.5% 18
3.12
10.5% 13
3.13
1.6% 2

Top Countries

1. US US
118
2. SG SG
25
3. JP JP
12
4. SE SE
2

Dependencies

5
23 optional dependencies

Used By

1

Package Information

License
NCSA
First Release
December 23, 2020
Last Release
1 month ago
Last Commit
3 days ago
Latest Version
1.5.3
Total Releases
68
Contributors
21
Open PRs
1
Archived
No
Author
Quantitative Sustainable Design Group
Python Versions
3.12
Wheels
py3
Keywords
quantitative sustainable design sanitation resource recovery techno-economic analysis life cycle assessment
Tracking Since
January 6, 2026
Data Updated
July 5, 2026
Data Freshness
Fresh

Links