No known security advisories.
The current version has no OSV.dev malware reports and no critical or high-severity vulnerabilities.
annoy has 1.3M monthly downloads and 14K GitHub stars. Version 1.17.3, first published in 2014.
It is minimally maintained under a permissive license, last released in Jun 2023.
It is used by 87 tracked packages, including vaex-ml, lit-nlp and vector-vault.
GitHub topics include c-plus-plus, nearest-neighbor-search and locality-sensitive-hashing.
Package Insights
Package Risks
- No releases in 867 days despite active commits
Score breakdown - each component scores 0-100, weighted by percentage
Maintenance
50
Popularity
88
Adoption
70
Community
70
Provenance
0
How the maintenance status was determined
Last commit
250 days ago
Monthly downloads
1,300,025
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
1,300,025
Stars
14,255
Stars per 1k downloads
10.97
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
42,408
Month daily avg
43,334
Momentum
-2.1%
((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
Apache License 2.0
•
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
1118 days ago
Total releases
43
Releases/year
3.5
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
116
Monthly downloads
1,300,025
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
63
Issue Burden
4.6
per 1k stars
Discussions
0.0
per 1k stars
Fork Ratio
9.5%
contrib / forks
Stale Release
867d
PR Velocity
Quiet
Weekly Downloads
GitHub Stars
Not all downloads include detailed metadata. Breakdowns reflect the subset that does.
Downloads by OS
Linux
21.7K
macOS
143
Windows
125
Python Versions
3.10
43.4%
8.7K
3.12
26.1%
5.2K
3.11
19.4%
3.9K
3.13
5.9%
1.2K
3.8
5.2%
1.0K
Top Countries
1.
US
10.3K
US
2.
NL
8.4K
NL
3.
IN
850
IN
4.
ID
555
ID
5.
GB
472
GB
6.
HK
265
HK
7.
SG
213
SG
8.
BE
211
BE
9.
MA
206
MA
10.
KR
126
KR
Dependencies
0
No dependencies
Used By
87
- vaex-ml
- lit-nlp
- vector-vault
- clarinpl-embeddings
- bbknn
- scanorama
- altanalyze
- exprmat
- swarmauri-vectorstore-annoy
- trimap
- neofuzz
- gnomad
- livekit-plugins-rag
- cryodata
- pixelgen-pixelator
- ledgermind
- pyliger
- ivis
- emmaemb
- celeb-detector
- datawords
- wordvecspace
- tricoder
- pupyl
- emergene
- sample-id
- seldon
- bcqa
- tmap-viz
- blockingpy-core
- deepview
- dexter-cqa
- mlots
- all2vec
- skills-ml
- dnikit
- hammadml
- contextcore
- scikit-hubness
- tmap-silicon
- cellist
- memery
- rising-plugin
- spectralnet
- cellmerge
- contrastive-ne
- rui-utils
- embenx
- beprepared
- async-annoy
GitHub Topics
Tags from the package's GitHub repository describing what it does.
Package Information
License
Apache License 2.0
First Release
March 24, 2014
Last Release
3 years ago
Last Commit
8 months ago
Latest Version
1.17.3
Total Releases
43
Contributors
116
Open PRs
10
Archived
No
Author
Erik Bernhardsson
Python Versions
2.6
2.7
3.3
3.4
3.5
3.6
3.7
3.8
3.9
Wheels
cp310
cp36
cp37
cp39
Keywords
Tracking Since
January 6, 2026
Data Updated
July 5, 2026
Data Freshness
Fresh