PyRank
blosc

blosc

A Python wrapper for the extremely fast Blosc compression library
PyPI GitHub
No known security advisories. The current version has no OSV.dev malware reports and no critical or high-severity vulnerabilities.
Downloads
Day
12.5K
Week
91.4K
Month
389.0K
Stars
363
Forks
75
Issues
1
Version
1.11.4

Package Insights

What's this?
Score breakdown - each component scores 0-100, weighted by percentage
Maintenance
65
Popularity
54
Adoption
75
Community
60
Provenance
0
How the maintenance status was determined
Last commit
169 days ago
Monthly downloads
388,994
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
388,994
Stars
363
Stars per 1k downloads
0.93
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
13,054
Month daily avg
12,966
Momentum
+0.7%
((week_daily_avg - month_daily_avg) / month_daily_avg) * 100
Python 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
https://opensource.org/licenses/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
170 days ago
Total releases
49
Releases/year
3.1
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
47
Monthly downloads
388,994
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
2.8
per 1k stars
Discussions
0.0
per 1k stars
Fork Ratio
62.7%
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 9.8K
macOS 153
Windows 75

Python Versions

3.9
39.2% 3.7K
3.10
35.1% 3.3K
3.11
10.5% 988
3.12
10.2% 962
3.14
5.0% 474

Top Countries

1. US US
5.8K
2. GB GB
2.2K
3. IE IE
1.0K
4. IN IN
212
5. SG SG
206
6. CN CN
124
7. ID ID
118
8. AU AU
100
9. CA CA
100
10. SE SE
93
GitHub Topics
Tags from the package's GitHub repository describing what it does.

Package Information

License
https://opensource.org/licenses/BSD-3-Clause
First Release
November 17, 2010
Last Release
5 months ago
Last Commit
5 months ago
Latest Version
1.11.4
Total Releases
49
Contributors
47
Open PRs
4
Archived
No
Author
The Blosc development team
Python Versions
3 3.9 3.10 3.11 3.12 3.13 3.14
Wheels
cp310 cp311 cp312 cp313 cp314 cp37 cp38 cp39
Tracking Since
January 6, 2026
Data Updated
July 5, 2026
Data Freshness
Fresh

Links