No known security advisories.
The current version has no OSV.dev malware reports and no critical or high-severity vulnerabilities.
h5netcdf has 5.5M monthly downloads and 227 GitHub stars. Version 1.8.1 supports Python 3.9+, first published in 2015.
It is stably maintained under a permissive license, last released in Jan 2026.
It is built on top of numpy and packaging. It is used by 292 tracked packages, including copernicusmarine, tidy3d and xradar.
GitHub topics include netcdf, hdf5 and h5py.
Package Insights
Package Risks
- No releases in 106 days despite active commits
Score breakdown - each component scores 0-100, weighted by percentage
Maintenance
80
Popularity
49
Adoption
70
Community
55
Provenance
0
How the maintenance status was determined
Last commit
58 days ago
Monthly downloads
5,531,612
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
5,531,612
Stars
227
Stars per 1k downloads
0.04
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
172,665
Month daily avg
184,387
Momentum
-6.4%
((week_daily_avg - month_daily_avg) / month_daily_avg) * 100Python version support tiers
requires_python
>=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
BSD 3-Clause 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
164 days ago
Total releases
53
Releases/year
4.7
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
25
Monthly downloads
5,531,612
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
64
Issue Burden
74.9
per 1k stars
Discussions
17.6
per 1k stars
Fork Ratio
64.1%
contrib / forks
Stale Release
106d
PR Velocity
Quiet
Weekly Downloads
GitHub Stars
Not all downloads include detailed metadata. Breakdowns reflect the subset that does.
Downloads by OS
Linux
119.4K
macOS
1.8K
Windows
1.2K
Python Versions
3.13
46.1%
55.5K
3.12
30.8%
37.0K
3.11
15.9%
19.1K
3.10
5.0%
6.0K
3.9
2.2%
2.7K
Top Countries
1.
US
56.4K
US
2.
GB
47.3K
GB
3.
IE
6.9K
IE
4.
NL
2.8K
NL
5.
DE
2.0K
DE
6.
SG
1.7K
SG
7.
CA
1.6K
CA
8.
CN
1.4K
CN
9.
JP
548
JP
10.
SE
266
SE
Used By
292
- copernicusmarine
- tidy3d
- xradar
- qcodes
- glider-playground
- eodag-cube
- pytmd
- py-wake
- pydmd
- pvnet
- ioos-qc
- quantify-core
- cratermaker
- volant-via-sdk
- quantify
- pygeohydro
- earth2studio
- libera-utils
- fluiddyn
- hypercoast
- cfdm
- argopy
- zstarview
- ocf-data-sampler
- eoreader
- sentineltoolbox
- atlite
- biogeme
- samudra-ai
- solo-epd-loader
- goes2go
- swiftest
- pygmtsar
- ascat
- open-flash
- fluidimage
- fluidsim
- pyunicorn
- oceanum
- nomad-parser-plugins-workflow
- ocf-datapipes
- crl-datacube
- climate-indices
- erlab
- pyopia
- torax
- urbanplot
- windkit
- sheerwater
- xyzpy
Package Information
License
BSD 3-Clause License
First Release
April 7, 2015
Last Release
5 months ago
Last Commit
1 month ago
Latest Version
1.8.1
Total Releases
53
Contributors
25
Open PRs
5
Archived
No
Python Versions
3
3.9
3.10
3.11
3.12
3.13
3.14
Wheels
py2
py3
Tracking Since
January 6, 2026
Data Updated
July 5, 2026
Data Freshness
Fresh