PyPI Stats
adapter-hub

adapters

A Unified Library for Parameter-Efficient and Modular Transfer Learning
PyPI GitHub

Shared Repository

This package shares its GitHub repository (adapter-hub/adapters) with 1 other package. Stars, forks, and other GitHub metrics reflect the entire repository.
Downloads
Day
4.8K
Week
21.1K
Month
93.0K
Stars
2.8K
Forks
372
Issues
43
Version
1.3.0

Package Insights

What's this?
Score breakdown - each component scores 0–100, weighted by percentage
Maintenance
80
Popularity
74
Adoption
59
Community
50
How the maintenance status was determined
Last commit
9 days ago
Monthly downloads
93,038
• 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
93,038
Stars
2,812
Stars per 1k downloads
30.22
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
3,009
Month daily avg
3,101
Momentum
-3.0%
((week_daily_avg - month_daily_avg) / month_daily_avg) * 100
Python version support tiers
requires_python
>=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
Apache
• 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
9 days ago
Total releases
19
Releases/year
4.0
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
28
Monthly downloads
93,038
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
68
 
Issue Burden
15.3
per 1k stars
Discussions
13.9
per 1k stars
Fork Ratio
7.5%
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 914
Windows 65
macOS 17

Python Versions

3.12
48.0% 467
3.10
33.8% 329
3.11
13.4% 130
3.8
3.1% 30
3.14
1.6% 16

Top Countries

1. US US
782
2. SG SG
71
3. CN CN
42
4. IN IN
41
5. DE DE
36
6. LA LA
34
7. SI SI
20
8. NL NL
15
9. GB GB
8
10. BE BE
6

Dependencies

2
81 optional dependencies

Used By

7

Package Information

License
Apache
First Release
August 11, 2021
Last Release
1 week ago
Last Commit
1 week ago
Latest Version
1.3.0
Total Releases
19
Contributors
28
Open PRs
4
Archived
No
Author
The AdapterHub team and community contributors
Python Versions
3 3.9 3.10 3.11 3.12
Wheels
py3
Keywords
NLP deep learning transformer pytorch BERT adapters PEFT LoRA
Topics
nlp natural-language-processing adapters transformers bert pytorch parameter-efficient-learning parameter-efficient-tuning lora
Tracking Since
January 6, 2026
Data Updated
May 3, 2026
Data Freshness
Fresh

Links