PyRank
Cantera

cantera

Chemical kinetics, thermodynamics, and transport tool suite
PyPI GitHub
More links
Download Stats Tracker
Monthly downloads
362.2K
Weekly downloads
39.7K
GitHub stars
861

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

Package Information

Latest Version
3.2.0
Requires Python
<3.15,>=3.10
Licence
BSD-3-Clause
Last Release
11 months ago
First Release
January 13, 2022
Total Releases
6
Python Versions
3.10 3.11 3.12 3.13 3.14
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
70
Popularity
67
Adoption
55
Community
90
Provenance
0
How the maintenance status was determined
Last commit
25 days ago
Monthly downloads
362,238
• 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
362,238
Stars
861
Stars per 1k downloads
2.38
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
5,669
Month daily avg
12,075
Momentum
-53.0%
((week_daily_avg - month_daily_avg) / month_daily_avg) * 100
More insights and metrics
Python version support tiers
requires_python
<3.15,>=3.10
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
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
332 days ago
Total releases
6
Releases/year
1.3
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
81
Monthly downloads
362,238
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
78
 
Issue Burden
45.3
per 1k stars
Discussions
0.0
per 1k stars
Fork Ratio
18.8%
contrib / forks
Stale Release
306d
 
PR Velocity
Quiet
 
Not all downloads include detailed metadata. Breakdowns reflect the subset that does.

Downloads by OS

Linux 5.7K
Windows 167
macOS 133

Python Versions

3.13
56.9% 3.3K
3.10
16.1% 945
3.12
15.1% 888
3.11
6.5% 381
3.14
5.4% 314

Top Countries

1. US US
5.7K
2. DE DE
91
3. SG SG
63
4. CN CN
43
5. GB GB
40
6. CA CA
35
7. MX MX
26
8. IN IN
23
9. JP JP
15
10. NL NL
15

Weekly Downloads

GitHub Stars

Dependencies

3
3 optional dependencies
  • graphviz[graphviz]
    extra == "graphviz"
  • pandas[pandas]
    extra == "pandas"
  • pint[units]
    extra == "units"

Used By

26
View all 26 dependents

Repository details

Forks
431
Issues
39
Last Commit
3 weeks ago
Contributors
81
Open PRs
24
Archived
No

Data and sources

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