PyPI Stats
CalebBell

chemicals

chemicals: Chemical database of Chemical Engineering Design Library (ChEDL)
PyPI GitHub
Downloads
Day
3.2K
Week
17.2K
Month
76.4K
Stars
281
Forks
47
Issues
3
Version
1.5.1

Package Insights

What's this?
Score breakdown - each component scores 0–100, weighted by percentage
Maintenance
80
Popularity
51
Adoption
58
Community
20
How the maintenance status was determined
Last commit
84 days ago
Monthly downloads
76,434
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
76,434
Stars
281
Stars per 1k downloads
3.68
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
2,459
Month daily avg
2,548
Momentum
-3.5%
((week_daily_avg - month_daily_avg) / month_daily_avg) * 100
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
MIT
• 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
86 days ago
Total releases
39
Releases/year
6.5
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
6
Monthly downloads
76,434
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
31
 
Issue Burden
10.7
per 1k stars
Discussions
0.0
per 1k stars
Fork Ratio
12.8%
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 1.2K
Windows 94
macOS 63

Python Versions

3.11
46.0% 605
3.12
38.3% 503
3.13
7.5% 98
3.10
5.9% 78
3.9
2.4% 31

Top Countries

1. US US
1.0K
2. IE IE
154
3. CA CA
105
4. SG SG
47
5. CN CN
39
6. RU RU
20
7. FR FR
19
8. DE DE
18
9. GB GB
14
10. PL PL
7

Dependencies

4
58 optional dependencies

Used By

6

Package Information

License
MIT
First Release
May 18, 2020
Last Release
2 months ago
Last Commit
2 months ago
Latest Version
1.5.1
Total Releases
39
Contributors
6
Open PRs
0
Archived
No
Python Versions
3 3.9 3.10 3.11 3.12 3.13 3.14
Wheels
py3
Keywords
chemical engineering chemistry mechanical engineering thermodynamics databases cheminformatics engineering viscosity density heat capacity thermal conductivity surface tension combustion environmental engineering solubility vapor pressure equation of state molecule
Topics
-
Tracking Since
January 6, 2026
Data Updated
May 3, 2026
Data Freshness
Fresh

Links