PyRank
CycloneDX

cyclonedx-bom

CycloneDX Software Bill of Materials (SBOM) generator for Python projects and environments
PyPI GitHub Verified repo
No known security advisories. The current version has no OSV.dev malware reports and no critical or high-severity vulnerabilities.

cyclonedx-bom has 1.9M monthly downloads and 386 GitHub stars. Version 7.3.0 supports Python <4.0,>=3.9, first published in 2018.

It is stably maintained under a permissive license, last released in Mar 2026.

It is built on top of chardet, cyclonedx-python-lib and packageurl-python. It is used by 26 tracked packages, including cyclonedx-py, scriptcollection and nuguard.

GitHub topics include bom, sbom and spdx.

Shared Repository
This package shares its GitHub repository (CycloneDX/cyclonedx-python) with 1 other package. Stars, forks, and other GitHub metrics reflect the entire repository.
Downloads
Day
71.0K
Week
425.7K
Month
1.9M
Stars
386
Forks
94
Issues
23
Version
7.3.0

Package Insights

What's this?
Score breakdown - each component scores 0-100, weighted by percentage
Maintenance
80
Popularity
56
Adoption
70
Community
70
Provenance
100
How the maintenance status was determined
Last commit
33 days ago
Monthly downloads
1,886,611
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
1,886,611
Stars
386
Stars per 1k downloads
0.20
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
60,819
Month daily avg
62,887
Momentum
-3.3%
((week_daily_avg - month_daily_avg) / month_daily_avg) * 100
Python version support tiers
requires_python
<4.0,>=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
98 days ago
Total releases
123
Releases/year
16.1
• 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
39
Monthly downloads
1,886,611
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
86
 
Issue Burden
59.6
per 1k stars
Discussions
57.0
per 1k stars
Fork Ratio
41.5%
contrib / forks
Stale Release
65d
 
PR Velocity
Quiet
 

Weekly Downloads

GitHub Stars

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

Downloads by OS

Linux 49.1K
macOS 1.0K
Windows 484

Python Versions

3.12
52.3% 25.6K
3.11
19.4% 9.5K
3.13
19.2% 9.4K
3.14
7.8% 3.8K
3.10
1.3% 631

Top Countries

1. US US
46.2K
2. DE DE
1.5K
3. BE BE
1.1K
4. NL NL
1.0K
5. IE IE
398
6. GB GB
315
7. FR FR
217
8. AU AU
155
9. CH CH
136
10. SE SE
90

Package Information

License
Apache-2.0
First Release
November 17, 2018
Last Release
3 months ago
Last Commit
1 month ago
Latest Version
7.3.0
Total Releases
123
Contributors
39
Open PRs
19
Archived
No
Author
Jan Kowalleck
Python Versions
3 3.9 3.10 3.11 3.12 3.13 3.14
Wheels
py3
Keywords
OWASP CycloneDX bill-of-materials BOM software-bill-of-materials SBOM environment virtualenv venv Poetry Pipenv requirements PDM Conda SPDX licenses PURL package-url dependency-graph
Tracking Since
January 6, 2026
Data Updated
July 5, 2026
Data Freshness
Fresh

Links