No known security advisories.
The current version has no OSV.dev malware reports and no critical or high-severity vulnerabilities.
grain has 1.3M monthly downloads and 748 GitHub stars. Version 0.2.18 supports Python 3.11+, first published in 2013.
It is actively maintained under a permissive license, last released in Jun 2026.
It is built on top of absl-py, array-record and cloudpickle. It is used by 28 tracked packages, including google-tunix, kauldron and gemma.
GitHub topics include data-pr, jax and machine-learning.
Package Insights
Score breakdown - each component scores 0-100, weighted by percentage
Maintenance
90
Popularity
59
Adoption
90
Community
70
Provenance
0
How the maintenance status was determined
Last commit
10 days ago
Monthly downloads
1,295,456
•
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
1,295,456
Stars
748
Stars per 1k downloads
0.58
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
50,879
Month daily avg
43,182
Momentum
+17.8%
((week_daily_avg - month_daily_avg) / month_daily_avg) * 100Python version support tiers
requires_python
>=3.11
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 License 2.0
•
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
19 days ago
Total releases
26
Releases/year
2.0
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
85
Monthly downloads
1,295,456
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
53.5
per 1k stars
Discussions
0.0
per 1k stars
Fork Ratio
104.9%
contrib / forks
Stale Release
No
PR Velocity
Active
Weekly Downloads
GitHub Stars
Not all downloads include detailed metadata. Breakdowns reflect the subset that does.
Downloads by OS
Linux
21.5K
macOS
56
Windows
17
Python Versions
3.12
91.6%
19.7K
3.11
7.0%
1.5K
3.13
0.6%
134
3.10
0.6%
123
3.14
0.2%
49
Top Countries
1.
US
22.2K
US
2.
NL
107
NL
3.
CA
89
CA
4.
CL
62
CL
5.
GB
52
GB
6.
SG
48
SG
7.
JP
28
JP
8.
FR
27
FR
9.
SE
25
SE
10.
HK
16
HK
Dependencies
7
- absl-py
- array-record >=0.8.1
- cloudpickle
- etils
- numpy
- portpicker
- protobuf >=5.28.3
1 optional dependencies
- pyarrow[parquet]
GitHub Topics
Tags from the package's GitHub repository describing what it does.
Package Information
License
Apache License 2.0
First Release
June 17, 2013
Last Release
2 weeks ago
Last Commit
1 week ago
Latest Version
0.2.18
Total Releases
26
Contributors
85
Open PRs
116
Archived
No
Python Versions
3.11
3.12
3.13
3.14
Wheels
cp310
cp311
cp312
cp313
cp314
Tracking Since
January 6, 2026
Data Updated
July 5, 2026
Data Freshness
Fresh