PyPI Stats
QSD-Group

qsdsan

Quantitative Sustainable Design (QSD) of sanitation and resource recovery systems.
PyPI GitHub
Downloads
Day
248
Week
452
Month
3.1K
Stars
41
Forks
22
Issues
4
Version
1.4.4

Package Insights

What's this?
Score breakdown - each component scores 0–100, weighted by percentage
Maintenance
90
Popularity
36
Adoption
34
Community
60
How the maintenance status was determined
Last commit
22 days ago
Monthly downloads
3,080
• 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
3,080
Stars
41
Stars per 1k downloads
13.31
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
65
Month daily avg
103
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
Not specified
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
Package does not declare a minimum Python version.
License categories
License
UIUC
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
1 days ago
Total releases
63
Releases/year
11.7
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
20
Monthly downloads
3,080
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
48
 
Issue Burden
-
per 1k stars
Discussions
-
per 1k stars
Fork Ratio
90.9%
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
12
2. SG SG
2
3. CA CA
1

Dependencies

9

Used By

1

Package Information

License
UIUC
First Release
December 23, 2020
Last Release
Yesterday
Last Commit
3 weeks ago
Latest Version
1.4.4
Total Releases
63
Contributors
20
Open PRs
0
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
Topics
sanitation resource-recovery techno-economic-analysis life-cycle-assessment quantitative-sustainable-design sustainability-analysis dynamic-simulations process-modeling
Tracking Since
January 6, 2026
Data Updated
May 3, 2026
Data Freshness
Fresh

Links