PyRank
pyvisa

pyvisa

A Python package with bindings to the "Virtual Instrument Software Architecture" VISA library, in order to control measurement devices and test equipment via GPIB, RS232, or USB.
PyPI GitHub Verified repo
No known security advisories. The current version has no OSV.dev malware reports and no critical or high-severity vulnerabilities.

pyvisa has 1M monthly downloads and 942 GitHub stars. Version 1.16.2 supports Python 3.10+, first published in 2008.

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

It is built on top of typing-extensions. It is used by 273 tracked packages, including pyvisa-py, pyvisa-sim and rsinstrument.

Downloads
Day
27.6K
Week
218.4K
Month
1.0M
Stars
942
Forks
266
Issues
135
Version
1.16.2

Package Insights

What's this?
Score breakdown - each component scores 0-100, weighted by percentage
Maintenance
100
Popularity
65
Adoption
70
Community
75
Provenance
100
How the maintenance status was determined
Last commit
6 days ago
Monthly downloads
1,023,600
• 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
1,023,600
Stars
942
Stars per 1k downloads
0.92
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
31,199
Month daily avg
34,120
Momentum
-8.6%
((week_daily_avg - month_daily_avg) / month_daily_avg) * 100
Python version support tiers
requires_python
>=3.10
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 License
• 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
129 days ago
Total releases
26
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
67
Monthly downloads
1,023,600
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
75
 
Issue Burden
143.3
per 1k stars
Discussions
0.0
per 1k stars
Fork Ratio
25.2%
contrib / forks
Stale Release
123d
 
PR Velocity
Quiet
 

Weekly Downloads

GitHub Stars

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

Downloads by OS

Linux 6.0K
Windows 716
macOS 272

Python Versions

3.12
44.3% 2.8K
3.11
19.9% 1.3K
3.10
14.4% 924
3.13
13.7% 878
3.9
7.7% 492

Top Countries

1. US US
3.0K
2. GB GB
935
3. RO RO
640
4. DE DE
357
5. CN CN
282
6. CH CH
221
7. CA CA
192
8. NZ NZ
172
9. NL NL
162
10. FR FR
148

Package Information

License
MIT License
First Release
May 1, 2008
Last Release
4 months ago
Last Commit
1 week ago
Latest Version
1.16.2
Total Releases
26
Contributors
67
Open PRs
7
Archived
No
Author
Gregor Thalhammer
Python Versions
3 3.10 3.11 3.12 3.13 3.14
Wheels
py3
Keywords
VISA GPIB USB serial RS232 measurement acquisition
Tracking Since
January 6, 2026
Data Updated
July 5, 2026
Data Freshness
Fresh

Links