PyRank
pymodbus-dev

pymodbus

A full modbus protocol written in python
PyPI GitHub
More links
Download Stats Bug Reports Docs: Dev
Monthly downloads
1.4M
Weekly downloads
350.0K
GitHub stars *
2.8K

Downloads in the 30 and 7 days to October 10, 2026. Refreshed weekly.

Package Information

Latest Version
3.16.1
Requires Python
>=3.10.0
Licence
BSD-3-Clause
Last Release
5 days ago
Author
Galen Collins, Jan Iversen
First Release
March 1, 2011
Total Releases
95
Python Versions
3.10 3.11 3.12 3.13 3.14
No reported malware or high/critical advisories · Details

The current version has no OSV.dev malware reports and no critical or high-severity vulnerabilities.

Package Insights

What's this?
Score breakdown - each component scores 0-100, weighted by percentage
Maintenance
100
Popularity
78
Adoption
80
Community
80
Provenance
0
How the maintenance status was determined
Last commit
2 days ago
Monthly downloads
1,381,957
• 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
1,381,957
Stars
2,781
Stars per 1k downloads
2.01
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
50,006
Month daily avg
46,065
Momentum
+8.6%
((week_daily_avg - month_daily_avg) / month_daily_avg) * 100
More insights and metrics
Python version support tiers
requires_python
>=3.10.0
Cutting Edge
Minimum supported version is 3.14 or newer
Modern
Minimum supported version is 3.11 to 3.13
• Legacy
Supports 3.10 or older (or Python 2)
Unknown
No requires_python specified or unparseable
License categories
License
BSD-3-Clause
• 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
4 days ago
Total releases
95
Releases/year
6.1
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
200
Monthly downloads
1,381,957
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
80
 
Issue Burden
0.0
per 1k stars
Discussions
102.5
per 1k stars
Fork Ratio
18.6%
contrib / forks
Stale Release
No
 
PR Velocity
Quiet
 
Not all downloads include detailed metadata. Breakdowns reflect the subset that does.

Downloads by OS

Linux 28.8K
Windows 1.4K
macOS 551

Python Versions

3.12
39.2% 11.2K
3.13
22.6% 6.4K
3.11
19.2% 5.5K
3.14
11.5% 3.3K
3.10
7.4% 2.1K

Top Countries

1. US US
22.4K
2. DE DE
1.5K
3. CA CA
608
4. FR FR
606
5. PL PL
584
6. CN CN
565
7. SE SE
520
8. IT IT
425
9. NL NL
376
10. RO RO
365

Weekly Downloads

GitHub Stars *

Dependencies

0
22 optional dependencies
  • aiohttp>=3.8.6[simulator]
    python_version < "3.12" and extra == "simulator"
  • build>=1.5.0[development]
    extra == "development"
  • codespell>=2.4.2[development]
    extra == "development"
  • coverage>=7.14.3[development]
    extra == "development"
  • pylint>=4.0.6[development]
    extra == "development"
  • pymodbus[all]
    extra == "all"
  • pyserial>=3.5[serial]
    extra == "serial"
  • pytest>=9.1.1[development]
    extra == "development"
  • pytest-aiohttp>=1.1.1[development]
    extra == "development"
  • pytest-asyncio>=1.4.0[development]
    extra == "development"
  • pytest-cov>=7.1.0[development]
    extra == "development"
  • pytest-profiling>=1.7.0[development]
    python_version < "3.13" and extra == "development"
  • pytest-timeout>=2.3.1[development]
    extra == "development"
  • pytest-xdist>=3.6.1[development]
    extra == "development"
  • recommonmark>=0.7.1[documentation]
    extra == "documentation"
  • ruff>=0.15.20[development]
    extra == "development"
  • sphinx>=7.3.7[documentation]
    python_version < "3.12" and extra == "documentation"
  • sphinx-rtd-theme>=3.1.0[documentation]
    extra == "documentation"
  • twine>=6.2.0[development]
    extra == "development"
  • types-pygments[development]
    extra == "development"
  • types-pyserial[development]
    extra == "development"
  • zuban>=0.9.0[development]
    extra == "development"

Used By

225
View all 225 dependents

Repository details

Forks
1.1K
Issues
0
Last Commit
2 days ago
Contributors
200
Open PRs
0
Archived
No

Data and sources

Tracking Since
September 26, 2026
Data Updated
October 11, 2026
Data Freshness
Fresh
Keywords
modbus asyncio scada client server simulator
Sources and methodology