PyRank
asdf-format

asdf

ASDF (Advanced Scientific Data Format) is a next generation interchange format for scientific data
PyPI GitHub
More links
Download Stats documentation tracker
Monthly downloads
200.1K
Weekly downloads
47.5K
GitHub stars
568

Downloads in the 30 and 7 days to October 10, 2026. Refreshed weekly.

Package Information

Latest Version
5.4.0
Requires Python
>=3.10
Licence
BSD-3-Clause
Last Release
1 month ago
Author
The ASDF Developers
First Release
September 18, 2015
Total Releases
77
Python Versions
3
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

What's this?
Score breakdown - each component scores 0-100, weighted by percentage
Maintenance
90
Popularity
56
Adoption
73
Community
55
Provenance
0
How the maintenance status was determined
Last commit
14 days ago
Monthly downloads
200,058
• 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
200,058
Stars
568
Stars per 1k downloads
2.84
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
6,783
Month daily avg
6,669
Momentum
+1.7%
((week_daily_avg - month_daily_avg) / month_daily_avg) * 100
More insights and metrics
Python version support tiers
requires_python
>=3.10
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
41 days ago
Total releases
77
Releases/year
6.9
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
41
Monthly downloads
200,058
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
71
 
Issue Burden
172.5
per 1k stars
Discussions
40.5
per 1k stars
Fork Ratio
60.3%
contrib / forks
Stale Release
No
 
PR Velocity
Quiet
 
Not all downloads include detailed metadata. Breakdowns reflect the subset that does.

Downloads by OS

Linux 4.4K
Windows 143
macOS 127

Python Versions

3.12
40.5% 1.8K
3.11
29.8% 1.3K
3.10
15.3% 669
3.13
9.7% 425
3.14
4.6% 201

Top Countries

1. US US
3.5K
2. SG SG
606
3. KR KR
163
4. JP JP
76
5. DE DE
71
6. FI FI
62
7. CA CA
49
8. IN IN
48
9. GB GB
36
10. HK HK
31

Weekly Downloads

GitHub Stars

Dependencies

9
14 optional dependencies
  • asdf[test]
    extra == "test"
  • asdf[all]
    extra == "all"
  • asdf[tests]
    extra == "tests"
  • asdf[benchmark]
    extra == "benchmark"
  • fsspec>=2022.8.2[http]
    extra == "http"
  • lz4>=0.10[lz4]
    extra == "lz4"
  • nox[typing]
    extra == "typing"
  • psutil[tests]
    extra == "tests"
  • pyrefly==1.2.0[typing]
    extra == "typing"
  • pytest>=8[tests]
    extra == "tests"
  • pytest-benchmark[benchmark]
    extra == "benchmark"
  • syrupy>=5.1[tests]
    extra == "tests"
  • types-jmespath[typing]
    extra == "typing"
  • types-pyyaml[typing]
    extra == "typing"

Used By

55
View all 55 dependents

Repository details

Forks
68
Issues
98
Last Commit
2 weeks ago
Contributors
41
Open PRs
6
Archived
No

Data and sources

Tracking Since
September 26, 2026
Data Updated
October 11, 2026
Data Freshness
Fresh
Sources and methodology