No known security advisories.
The current version has no OSV.dev malware reports and no critical or high-severity vulnerabilities.
klayout has 274K monthly downloads and 1K GitHub stars. Version 0.30.9, first published in 2018.
It is actively maintained under a copyleft license, last released in May 2026.
It is used by 28 tracked packages, including kfactory, gdsfactoryplus and librelane.
GitHub topics include klayout, qt and eda.
Package Insights
Score breakdown - each component scores 0-100, weighted by percentage
Maintenance
90
Popularity
67
Adoption
84
Community
70
Provenance
0
How the maintenance status was determined
Last commit
17 days ago
Monthly downloads
273,754
•
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
273,754
Stars
1,129
Stars per 1k downloads
4.12
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
10,467
Month daily avg
9,125
Momentum
+14.7%
((week_daily_avg - month_daily_avg) / month_daily_avg) * 100Python version support tiers
requires_python
Not specified
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
Package does not declare a minimum Python version.
License categories
License
GPL-3.0-or-later
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
38 days ago
Total releases
90
Releases/year
11.6
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
35
Monthly downloads
273,754
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
72
Issue Burden
178.9
per 1k stars
Discussions
0.0
per 1k stars
Fork Ratio
12.4%
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
4.1K
Windows
133
macOS
114
Python Versions
3.12
64.9%
2.8K
3.13
16.6%
706
3.11
12.4%
525
3.10
4.1%
176
3.14
2.0%
86
Top Countries
1.
US
3.9K
US
2.
IE
179
IE
3.
CN
85
CN
4.
SG
64
SG
5.
DE
38
DE
6.
JP
23
JP
7.
IN
22
IN
8.
SE
22
SE
9.
AT
14
AT
10.
EG
13
EG
Dependencies
0
No dependencies
Package Information
License
GPL-3.0-or-later
First Release
October 8, 2018
Last Release
1 month ago
Last Commit
2 weeks ago
Latest Version
0.30.9
Total Releases
90
Contributors
35
Open PRs
14
Archived
No
Author
Matthias Koefferlein
Python Versions
2
3
Wheels
cp310
cp311
cp312
cp313
cp314
Tracking Since
January 6, 2026
Data Updated
July 5, 2026
Data Freshness
Fresh