Top 5 C modbus Projects

libmodbus

4 3,187 4.2 C

A Modbus library for Linux, Mac OS, FreeBSD and Windows
nut

192 1,571 9.9 C

The Network UPS Tools repository. UPS management protocol Informational RFC 9271 published by IETF at https://www.rfc-editor.org/info/rfc9271 Please star NUT on GitHub, this helps with sponsorships!

Project mention: Tell HN: Laptop Runs Without Battery | news.ycombinator.com | 2023-09-27

> what software do you recommend for gnu/linux to take input from the UPS to tell the laptop to shutdown?
https://networkupstools.org/

InfluxDB

www.influxdata.com sponsored

Power Real-Time Data Analytics at Scale. Get real-time insights from all types of time series data with InfluxDB. Ingest, query, and analyze billions of data points in real-time with unbounded cardinality.
libplctag

13 645 0.0 C

This C library provides a portable and simple API for accessing Allen-Bradley and Modbus PLC data over Ethernet.

Project mention: C# HMI and Allan Bradley PLC | /r/PLC | 2023-05-21

Modbus-STM32-HAL-FreeRTOS

2 460 6.9 C

Modbus TCP and RTU, Master and Slave for STM32 using Cube HAL and FreeRTOS

Project mention: Soil NPK sensor | /r/embedded | 2023-12-09

nanoMODBUS

4 191 7.2 C

A compact MODBUS RTU/TCP C library for embedded/microcontrollers
WorkOS

workos.com sponsored

The modern identity platform for B2B SaaS. The APIs are flexible and easy-to-use, supporting authentication, user identity, and complex enterprise features like SSO and SCIM provisioning.

NOTE: The open source projects on this list are ordered by number of github stars. The number of mentions indicates repo mentiontions in the last 12 Months or since we started tracking (Dec 2020).