PyPI Stats
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dd

Binary Decision Diagrams (BDDs) in pure Python and Cython wrappers of CUDD, Sylvan, and BuDDy
PyPI GitHub
Downloads
Day
888
Week
3.5K
Month
12.4K
Stars
219
Forks
43
Issues
2
Version
0.6.0

Package Insights

What's this?
Score breakdown - each component scores 0–100, weighted by percentage
Maintenance
50
Popularity
49
Adoption
80
Community
30
How the maintenance status was determined
Last commit
202 days ago
Monthly downloads
12,442
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
12,442
Stars
219
Stars per 1k downloads
17.60
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
505
Month daily avg
415
Momentum
+21.8%
((week_daily_avg - month_daily_avg) / month_daily_avg) * 100
Python version support tiers
requires_python
>=3.11
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
BSD
• 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
521 days ago
Total releases
25
Releases/year
2.2
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
8
Monthly downloads
12,442
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
42
 
Issue Burden
9.1
per 1k stars
Discussions
0.0
per 1k stars
Fork Ratio
18.6%
contrib / forks
Stale Release
318d
 
PR Velocity
Quiet
 

Weekly Downloads

GitHub Stars

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

Downloads by OS

Linux 140
Windows 3
macOS 1

Python Versions

3.11
48.3% 69
3.12
23.8% 34
3.13
23.1% 33
3.10
3.5% 5
3.9
1.4% 2

Top Countries

1. US US
118
2. SG SG
10
3. CA CA
3
4. CN CN
3
5. NL NL
3
6. AU AU
2
7. FR FR
2
8. SE SE
2
9. TW TW
2
10. DE DE
1

Package Information

License
BSD
First Release
February 28, 2015
Last Release
1 year ago
Last Commit
6 months ago
Latest Version
0.6.0
Total Releases
25
Contributors
8
Open PRs
1
Archived
No
Author
Caltech Control and Dynamical Systems
Wheels
cp310 cp311 cp312
Keywords
bdd binary decision diagram decision diagram boolean networkx dot graphviz
Topics
binary-decision-diagrams python cudd cython sylvan bdd zdd
Tracking Since
January 6, 2026
Data Updated
May 3, 2026
Data Freshness
Fresh

Links