PyRank
moj-analytical-services

splink

Fast, accurate and scalable probabilistic data linkage with support for multiple SQL backends
PyPI GitHub
No known security advisories. The current version has no OSV.dev malware reports and no critical or high-severity vulnerabilities.

splink has 1M monthly downloads and 2K GitHub stars. Version 4.0.16 supports Python <4.0.0,>=3.9.0, first published in 2020.

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

It is built on top of altair, duckdb and igraph. It is used by 12 tracked packages, including matchbox-db, uk-address-matcher and catalystcoop-pudl.

GitHub topics include record-linkage, spark and em-algorithm.

Downloads
Day
36.7K
Week
236.3K
Month
1.0M
Stars
2.2K
Forks
243
Issues
203
Version
4.0.16

Package Insights

What's this?
Score breakdown - each component scores 0-100, weighted by percentage
Maintenance
100
Popularity
70
Adoption
70
Community
70
Provenance
0
How the maintenance status was determined
Last commit
4 days ago
Monthly downloads
1,020,601
• 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
1,020,601
Stars
2,236
Stars per 1k downloads
2.19
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
33,757
Month daily avg
34,020
Momentum
-0.8%
((week_daily_avg - month_daily_avg) / month_daily_avg) * 100
Python version support tiers
requires_python
<4.0.0,>=3.9.0
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
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
117 days ago
Total releases
162
Releases/year
25.6
• 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
80
Monthly downloads
1,020,601
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
84
 
Issue Burden
90.8
per 1k stars
Discussions
215.1
per 1k stars
Fork Ratio
32.9%
contrib / forks
Stale Release
113d
 
PR Velocity
Quiet
 

Weekly Downloads

GitHub Stars

Not all downloads include detailed metadata. Breakdowns reflect the subset that does.

Downloads by OS

Linux 27.2K
macOS 113
Windows 44

Python Versions

3.11
41.7% 10.9K
3.12
32.2% 8.4K
3.9
17.5% 4.6K
3.13
6.0% 1.6K
3.10
2.5% 647

Top Countries

1. US US
17.8K
2. SG SG
4.8K
3. IE IE
2.7K
4. GB GB
514
5. FI FI
376
6. NL NL
344
7. AE AE
331
8. CA CA
126
9. DE DE
118
10. AU AU
64

Package Information

License
MIT
First Release
March 13, 2020
Last Release
3 months ago
Last Commit
5 days ago
Latest Version
4.0.16
Total Releases
162
Contributors
80
Open PRs
16
Archived
No
Author
Sam Lindsay, Theodore Manassis, Tom Hepworth, Andy Bond, Ross Kennedy
Wheels
py3
Tracking Since
January 6, 2026
Data Updated
July 5, 2026
Data Freshness
Fresh

Links