PyRank
online-ml

river

🌊 Online machine learning in Python
PyPI GitHub Verified repo
No known security advisories. The current version has no OSV.dev malware reports and no critical or high-severity vulnerabilities.

river has 227K monthly downloads and 6K GitHub stars. Version 0.25.0 supports Python 3.11+, first published in 2021.

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

It is built on top of altair, numpy and scipy. It is used by 34 tracked packages, including spotpython, ezmsg-learn and dqtlib.

GitHub topics include incremental-learning, machine-learning and online-learning.

Downloads
Day
6.9K
Week
47.3K
Month
226.8K
Stars
5.9K
Forks
641
Issues
52
Version
0.25.0

Package Insights

What's this?
Score breakdown - each component scores 0-100, weighted by percentage
Maintenance
100
Popularity
80
Adoption
53
Community
80
Provenance
100
How the maintenance status was determined
Last commit
6 days ago
Monthly downloads
226,779
• 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
226,779
Stars
5,868
Stars per 1k downloads
25.88
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
6,763
Month daily avg
7,559
Momentum
-10.5%
((week_daily_avg - month_daily_avg) / month_daily_avg) * 100
Python 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
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
36 days ago
Total releases
28
Releases/year
5.4
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
145
Monthly downloads
226,779
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
85
 
Issue Burden
8.9
per 1k stars
Discussions
56.2
per 1k stars
Fork Ratio
22.6%
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 4.3K
Windows 245
macOS 99

Python Versions

3.11
44.6% 2.1K
3.12
34.0% 1.6K
3.13
13.9% 641
3.14
4.5% 209
3.10
3.0% 137

Top Countries

1. US US
3.8K
2. DE DE
197
3. JP JP
122
4. IN IN
112
5. SG SG
103
6. GB GB
56
7. CN CN
53
8. ID ID
41
9. LT LT
34
10. IE IE
33

Package Information

License
BSD-3-Clause
First Release
April 16, 2021
Last Release
1 month ago
Last Commit
1 week ago
Latest Version
0.25.0
Total Releases
28
Contributors
145
Open PRs
15
Archived
No
Wheels
cp310 cp311 cp312 cp313 cp314 cp36 cp37 cp38 cp39
Tracking Since
January 6, 2026
Data Updated
July 5, 2026
Data Freshness
Fresh

Links