PyRank
cantools

cantools

CAN bus tools.
PyPI GitHub Verified repo
No known security advisories. The current version has no OSV.dev malware reports and no critical or high-severity vulnerabilities.

cantools has 1.2M monthly downloads and 2K GitHub stars. Version 42.0.3 supports Python 3.10+, first published in 2015.

It is actively maintained under a permissive license, last released in Jul 2026.

It is built on top of argparse-addons, bitstruct and crccheck. It is used by 51 tracked packages, including autoverse-cli, fcp and pykiso.

GitHub topics include can-bus, kcd and dbc.

Downloads
Day
27.7K
Week
225.0K
Month
1.2M
Stars
2.2K
Forks
639
Issues
98
Version
42.0.3

Package Insights

What's this?
Score breakdown - each component scores 0-100, weighted by percentage
Maintenance
100
Popularity
74
Adoption
60
Community
80
Provenance
100
How the maintenance status was determined
Last commit
4 days ago
Monthly downloads
1,208,535
• 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
1,208,535
Stars
2,249
Stars per 1k downloads
1.86
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
32,137
Month daily avg
40,284
Momentum
-20.2%
((week_daily_avg - month_daily_avg) / month_daily_avg) * 100
Python version support tiers
requires_python
>=3.10
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
1 days ago
Total releases
235
Releases/year
21.0
• 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
1,208,535
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
43.6
per 1k stars
Discussions
16.0
per 1k stars
Fork Ratio
12.7%
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 8.3K
Windows 624
macOS 62

Python Versions

3.10
42.2% 3.5K
3.12
34.8% 2.9K
3.11
15.9% 1.3K
3.13
4.9% 411
3.9
2.2% 187

Top Countries

1. US US
6.5K
2. DE DE
628
3. IL IL
462
4. SE SE
358
5. CN CN
328
6. DK DK
248
7. SG SG
215
8. AU AU
169
9. PL PL
168
10. CA CA
165
GitHub Topics
Tags from the package's GitHub repository describing what it does.

Package Information

License
MIT
First Release
April 26, 2015
Last Release
2 days ago
Last Commit
5 days ago
Latest Version
42.0.3
Total Releases
235
Contributors
81
Open PRs
29
Archived
No
Wheels
py2 py3
Keywords
can can bus arxml dbc kcd automotive
Tracking Since
January 6, 2026
Data Updated
July 5, 2026
Data Freshness
Fresh

Links