No known security advisories.
The current version has no OSV.dev malware reports and no critical or high-severity vulnerabilities.
daff has 22.9M monthly downloads and 916 GitHub stars. Version 1.4.2, first published in 2014.
It is showing limited recent maintenance under a permissive license, last released in May 2025.
It is used by 9 tracked packages, including dbt-core, ddf-utils and dvt-ce.
GitHub topics include csv, csv-diffs and diff.
Package Insights
Score breakdown - each component scores 0-100, weighted by percentage
Maintenance
40
Popularity
60
Adoption
70
Community
30
Provenance
0
How the maintenance status was determined
Last commit
428 days ago
Monthly downloads
22,897,918
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
22,897,918
Stars
916
Stars per 1k downloads
0.04
•
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
757,040
Month daily avg
763,264
Momentum
-0.8%
((week_daily_avg - month_daily_avg) / month_daily_avg) * 100Python version support tiers
requires_python
Not specified
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
Package does not declare a minimum Python version.
License categories
License
MIT
•
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
428 days ago
Total releases
60
Releases/year
5.0
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
19
Monthly downloads
22,897,918
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
45
Issue Burden
46.9
per 1k stars
Discussions
0.0
per 1k stars
Fork Ratio
25.0%
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
492.9K
Windows
1.4K
macOS
1.2K
Python Versions
3.12
41.6%
196.9K
3.11
36.9%
174.4K
3.10
11.0%
52.2K
3.13
7.4%
35.0K
3.9
3.1%
14.6K
Top Countries
1.
US
291.2K
US
2.
NL
40.6K
NL
3.
DE
39.1K
DE
4.
IE
35.7K
IE
5.
AU
17.0K
AU
6.
GB
11.3K
GB
7.
BR
10.7K
BR
8.
JP
8.8K
JP
9.
FR
6.5K
FR
10.
CA
6.4K
CA
Dependencies
0
No dependencies
GitHub Topics
Tags from the package's GitHub repository describing what it does.
Package Information
License
MIT
First Release
June 5, 2014
Last Release
1 year ago
Last Commit
1 year ago
Latest Version
1.4.2
Total Releases
60
Contributors
19
Open PRs
4
Archived
No
Author
Paul Fitzpatrick
Wheels
py3
Tracking Since
January 6, 2026
Data Updated
July 5, 2026
Data Freshness
Fresh