PyRank
pyca

pynacl

Python binding to the Networking and Cryptography (NaCl) library
PyPI GitHub Verified repo
No known security advisories. The current version has no OSV.dev malware reports and no critical or high-severity vulnerabilities.

pynacl has 235.6M monthly downloads and 1K GitHub stars. Version 1.6.2 supports Python 3.8+, first published in 2013.

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

It is built on top of cffi. It is used by 947 tracked packages, including paramiko, pygithub and azure-cli.

GitHub topics include cryptography, libsodium and nacl.

Downloads
Day
7.3M
Week
51.9M
Month
235.6M
Stars
1.2K
Forks
259
Issues
52
Version
1.6.2

Package Insights

What's this?
Score breakdown - each component scores 0-100, weighted by percentage
Maintenance
90
Popularity
67
Adoption
70
Community
75
Provenance
100
How the maintenance status was determined
Last commit
2 days ago
Monthly downloads
235,563,641
• 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
235,563,641
Stars
1,199
Stars per 1k downloads
0.01
• 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
7,410,942
Month daily avg
7,852,121
Momentum
-5.6%
((week_daily_avg - month_daily_avg) / month_daily_avg) * 100
Python version support tiers
requires_python
>=3.8
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-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
186 days ago
Total releases
19
Releases/year
1.4
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
78
Monthly downloads
235,563,641
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
71
 
Issue Burden
43.4
per 1k stars
Discussions
0.0
per 1k stars
Fork Ratio
30.1%
contrib / forks
Stale Release
183d
 
PR Velocity
Quiet
 

Weekly Downloads

GitHub Stars

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

Downloads by OS

Linux 5.2M
Windows 67.5K
macOS 25.1K

Python Versions

3.10
28.5% 1.4M
3.11
25.9% 1.3M
3.12
24.5% 1.2M
3.13
15.4% 756.4K
3.9
5.7% 278.2K

Top Countries

1. US US
3.9M
2. IE IE
244.8K
3. NL NL
160.9K
4. DE DE
142.2K
5. GB GB
113.7K
6. SG SG
108.3K
7. IN IN
96.3K
8. AU AU
72.2K
9. JP JP
66.2K
10. CA CA
64.9K
GitHub Topics
Tags from the package's GitHub repository describing what it does.

Package Information

License
Apache-2.0
First Release
April 14, 2013
Last Release
6 months ago
Last Commit
3 days ago
Latest Version
1.6.2
Total Releases
19
Contributors
78
Open PRs
6
Archived
No
Python Versions
3 3.8 3.9 3.10 3.11 3.12 3.13 3.14
Wheels
cp27 cp314 cp34 cp35 cp36 cp38
Tracking Since
January 6, 2026
Data Updated
July 5, 2026
Data Freshness
Fresh

Links