No known security advisories.
The current version has no OSV.dev malware reports and no critical or high-severity vulnerabilities.
ddsketch has 5.5M monthly downloads and 92 GitHub stars. Version 3.0.1 supports Python 3.7+, first published in 2020.
It is stably maintained under a permissive license, last released in Apr 2024.
It is built on top of six. It is used by 9 tracked packages, including ddapm-test-agent, vidur and veeksha.
GitHub topics include ddsketch and quantile.
Package Insights
Score breakdown - each component scores 0-100, weighted by percentage
Maintenance
45
Popularity
40
Adoption
60
Community
70
Provenance
0
How the maintenance status was determined
Last commit
157 days ago
Monthly downloads
5,457,010
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
5,457,010
Stars
92
Stars per 1k downloads
0.02
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
150,936
Month daily avg
181,900
Momentum
-17.0%
((week_daily_avg - month_daily_avg) / month_daily_avg) * 100Python version support tiers
requires_python
>=3.7
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 Software License
•
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
826 days ago
Total releases
9
Releases/year
1.6
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
5,250
Monthly downloads
5,457,010
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
67
Issue Burden
-
per 1k stars
Discussions
-
per 1k stars
Fork Ratio
30882.4%
contrib / forks
Stale Release
669d
PR Velocity
Quiet
Weekly Downloads
GitHub Stars
Not all downloads include detailed metadata. Breakdowns reflect the subset that does.
Downloads by OS
Linux
31.9K
macOS
853
Windows
182
Python Versions
3.12
53.8%
16.7K
3.11
21.2%
6.6K
3.10
20.3%
6.3K
3.9
3.3%
1.0K
3.7
1.5%
471
Top Countries
1.
US
31.0K
US
2.
DE
1.2K
DE
3.
IE
510
IE
4.
SG
164
SG
5.
GB
156
GB
6.
HK
76
HK
7.
IS
64
IS
8.
FR
55
FR
9.
KR
53
KR
10.
IN
46
IN
Package Information
License
Apache Software License
First Release
December 7, 2020
Last Release
2 years ago
Last Commit
5 months ago
Latest Version
3.0.1
Total Releases
9
Contributors
5,250
Open PRs
4
Archived
No
Author
Jee Rim, Charles-Philippe Masson, Homin Lee
Python Versions
3
Wheels
py3
Tracking Since
January 6, 2026
Data Updated
July 5, 2026
Data Freshness
Fresh