PyRank
fsspec

s3fs

S3 Filesystem
PyPI GitHub
No known security advisories. The current version has no OSV.dev malware reports and no critical or high-severity vulnerabilities.

s3fs has 762.7M monthly downloads and 1K GitHub stars. Version 2026.6.0 supports Python 3.10+, first published in 2016.

It is actively maintained under a permissive license, last released in Jun 2026.

It is built on top of aiobotocore, aiohttp and fsspec. It is used by 582 tracked packages, including inspect-ai, sagemaker-mlops and dvc-s3.

Shared Repository
This package shares its GitHub repository (fsspec/s3fs) with 2 other packages. Stars, forks, and other GitHub metrics reflect the entire repository.
Downloads
Day
21.9M
Week
148.8M
Month
762.7M
Stars
1.0K
Forks
297
Issues
161
Version
2026.6.0

Package Insights

What's this?
Score breakdown - each component scores 0-100, weighted by percentage
Maintenance
100
Popularity
66
Adoption
60
Community
90
Provenance
0
How the maintenance status was determined
Last commit
7 days ago
Monthly downloads
762,658,251
• 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
762,658,251
Stars
1,038
Stars per 1k downloads
0.00
• 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
21,250,861
Month daily avg
25,421,942
Momentum
-16.4%
((week_daily_avg - month_daily_avg) / month_daily_avg) * 100
Python version support tiers
requires_python
>=3.10
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
• 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
20 days ago
Total releases
90
Releases/year
8.7
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
136
Monthly downloads
762,658,251
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
91
 
Issue Burden
155.1
per 1k stars
Discussions
11.6
per 1k stars
Fork Ratio
45.8%
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 18.2M
Windows 16.0K
macOS 13.3K

Python Versions

3.11
24.8% 4.1M
3.7
24.8% 4.1M
3.9
24.1% 4.0M
3.10
18.6% 3.1M
3.12
7.8% 1.3M

Top Countries

1. US US
15.8M
2. IE IE
477.3K
3. DE DE
359.3K
4. CA CA
347.3K
5. AU AU
294.3K
6. IN IN
174.1K
7. KR KR
165.6K
8. SG SG
104.7K
9. JP JP
96.8K
10. FR FR
56.6K
GitHub Topics
Tags from the package's GitHub repository describing what it does.

Package Information

License
BSD
First Release
March 22, 2016
Last Release
3 weeks ago
Last Commit
1 week ago
Latest Version
2026.6.0
Total Releases
90
Contributors
136
Open PRs
12
Archived
No
Python Versions
3.10 3.11 3.12 3.13 3.14
Wheels
py2 py3
Keywords
s3 boto
Tracking Since
January 6, 2026
Data Updated
July 5, 2026
Data Freshness
Fresh

Links