PyRank
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vivarium

A python microsimulation framework
PyPI GitHub
More links
Download Stats
Monthly downloads
4.6K
Weekly downloads
663
GitHub stars
54

Downloads in the 30 and 7 days to October 10, 2026. Refreshed weekly.

Package Information

Latest Version
4.1.6
Requires Python
Not specified
Licence
BSD-3-Clause
Last Release
3 months ago
Author
The vivarium developers
First Release
July 24, 2018
Total Releases
186
No reported malware or high/critical advisories · Details

The current version has no OSV.dev malware reports and no critical or high-severity vulnerabilities.

Package Insights

What's this?
Score breakdown - each component scores 0-100, weighted by percentage
Maintenance
13
Popularity
36
Adoption
36
Community
50
Provenance
0
How the maintenance status was determined
Last commit
93 days ago
Monthly downloads
4,602
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
Repository is archived on GitHub — no further commits expected.
How the popularity category was determined
Monthly downloads
4,602
Stars
54
Stars per 1k downloads
11.73
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
95
Month daily avg
153
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.
More insights and metrics
Python version support tiers
requires_python
Not specified
Cutting Edge
Minimum supported version is 3.14 or newer
Modern
Minimum supported version is 3.11 to 3.13
Legacy
Supports 3.10 or older (or Python 2)
• Unknown
No requires_python specified or unparseable
Package does not declare a minimum Python version.
License categories
License
BSD-3-Clause
• 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
93 days ago
Total releases
186
Releases/year
22.6
• 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
17
Monthly downloads
4,602
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
52
 
Issue Burden
-
per 1k stars
Discussions
-
per 1k stars
Fork Ratio
113.3%
contrib / forks
Stale Release
No
 
PR Velocity
Quiet
 
Not all downloads include detailed metadata. Breakdowns reflect the subset that does.

Downloads by OS

Linux 50

Python Versions

3.11
60.0% 30
3.13
26.0% 13
3.12
10.0% 5
3.10
4.0% 2

Top Countries

1. US US
202
2. AE AE
30
3. DE DE
12
4. TW TW
8
5. FR FR
5
6. GB GB
5
7. SG SG
3
8. CN CN
2
9. HK HK
1
10. JP JP
1

Weekly Downloads

GitHub Stars

Dependencies

4
9 optional dependencies

Used By

2

Repository details

Forks
15
Issues
6
Last Commit
3 months ago
Contributors
17
Open PRs
1
Archived
Yes

Data and sources

Tracking Since
September 26, 2026
Data Updated
October 11, 2026
Data Freshness
Fresh
Sources and methodology