PyPI Stats
iiasa

message-ix

The integrated assessment and energy systems model MESSAGEix
PyPI GitHub
Downloads
Day
17
Week
422
Month
2.3K
Stars
146
Forks
172
Issues
111
Version
3.11.1

Package Insights

What's this?
Score breakdown - each component scores 0–100, weighted by percentage
Maintenance
90
Popularity
52
Adoption
33
Community
90
How the maintenance status was determined
Last commit
9 days ago
Monthly downloads
2,289
• 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
2,289
Stars
146
Stars per 1k downloads
63.78
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
60
Month daily avg
76
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
>=3.9
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
Apache-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
337 days ago
Total releases
22
Releases/year
3.2
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
51
Monthly downloads
2,289
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
94
 
Issue Burden
760.3
per 1k stars
Discussions
637.0
per 1k stars
Fork Ratio
29.7%
contrib / forks
Stale Release
328d
 
PR Velocity
Active
 

Weekly Downloads

GitHub Stars

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

Downloads by OS

Linux 10

Python Versions

3.13
100.0% 10

Top Countries

1. US US
9
2. HK HK
3
3. AT AT
2
4. CN CN
2
5. CA CA
1

Dependencies

7
22 optional dependencies

Used By

1

Package Information

License
Apache-2.0
First Release
June 25, 2019
Last Release
11 months ago
Last Commit
1 week ago
Latest Version
3.11.1
Total Releases
22
Contributors
51
Open PRs
27
Archived
No
Author
IIASA Energy, Climate, and Environment (ECE) Program
Python Versions
3 3.9 3.10 3.11 3.12 3.13
Wheels
py2 py3
Topics
energy-system strategic-planning integrated-assessment integrated-assessment-model gams open-source
Tracking Since
January 6, 2026
Data Updated
May 3, 2026
Data Freshness
Fresh

Links