Downloads in the 30 and 7 days to October 10, 2026. Refreshed weekly.
Package Information
Latest Version
Requires Python
>=3.12
Licence
BSD-3-Clause
Last Release
1 week ago
Author
Christoph Gohlke
First Release
October 11, 2018
Total Releases
72
Python Versions
3.12
3.13
3.14
3.15
No reported malware or high/critical advisories · Details
The current version has no OSV.dev malware reports and no critical or high-severity vulnerabilities.
Package Insights
Package Risks
- High bus factor: only 1 contributor(s) for this download volume
Score breakdown - each component scores 0-100, weighted by percentage
Maintenance
100
Popularity
47
Adoption
90
Community
20
Provenance
0
How the maintenance status was determined
Last commit
6 days ago
Monthly downloads
1,454,708
•
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
1,454,708
Stars
192
Stars per 1k downloads
0.13
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
56,955
Month daily avg
48,490
Momentum
+17.5%
((week_daily_avg - month_daily_avg) / month_daily_avg) * 100More insights and metrics
Python version support tiers
requires_python
>=3.12
Cutting Edge
Minimum supported version is 3.14 or newer
•
Modern
Minimum supported version is 3.11 to 3.13
Legacy
Supports 3.10 or older (or Python 2)
Unknown
No requires_python specified or unparseable
License categories
License
BSD-3-Clause
•
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
6 days ago
Total releases
72
Releases/year
9.0
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
1
Monthly downloads
1,454,708
•
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
30
Issue Burden
15.6
per 1k stars
Discussions
0.0
per 1k stars
Fork Ratio
2.8%
contrib / forks
Stale Release
No
PR Velocity
Active
Not all downloads include detailed metadata. Breakdowns reflect the subset that does.
Downloads by OS
Linux
29.8K
Windows
2.8K
macOS
2.0K
Python Versions
3.12
45.3%
15.3K
3.11
19.0%
6.4K
3.13
13.2%
4.5K
3.10
11.3%
3.8K
3.14
11.2%
3.8K
Top Countries
1.
US
26.9K
US
2.
SG
2.2K
SG
3.
CA
1.6K
CA
4.
CN
610
CN
5.
DE
584
DE
6.
NL
584
NL
7.
GB
436
GB
8.
IN
358
IN
9.
IE
357
IE
10.
HK
349
HK
Weekly Downloads
GitHub Stars *
Dependencies
1
- numpy >=2.1
20 optional dependencies
-
backports-zstd[test]extra == "test"
-
bitshuffle[test]extra == "test"
-
blosc[test]extra == "test"
-
blosc2[test]extra == "test"
-
brotli[test]extra == "test"
-
czifile[test]extra == "test"
-
kerchunk[test]extra == "test"
-
lz4[test]extra == "test"
-
matplotlib[all]extra == "all"
-
numcodecs[test]extra == "test"
-
numcodecs[all]extra == "all"
-
pyliblzfse[test]extra == "test"
-
pytest[test]extra == "test"
-
pytest-run-parallel[test]extra == "test"
-
python-lzf[test]extra == "test"
-
python-snappy[test]extra == "test"
-
tifffile[all]extra == "all"
-
tifffile[test]extra == "test"
-
zarr[test]extra == "test"
-
zopflipy[test]extra == "test"
Used By
324
- nnunetv2 183.4K/mo
- cellpose 116.4K/mo
- squidpy 73.2K/mo
- czifile 38.2K/mo
- imagecodecs-numcodecs 34.4K/mo
- anomalib 28.1K/mo
- bioio-tifffile 24.7K/mo
- tiffslide 23.3K/mo
- bioio-ome-tiff 19.1K/mo
- py-ctcmetrics 15.5K/mo
Data and sources
Tracking Since
September 26, 2026
Data Updated
October 11, 2026
Data Freshness
Fresh