Filtered ranking

Best OPC and Industrial Connectivity Software for Linux in 2026

5 of the 10 OPC and industrial connectivity software ranked on listme.name match: they officially support Linux. The order uses the same scores as the full ranking.

5 products ranked Updated October 2026 How we rank Share

The ranking

  1. Kepware Server

    The broadest driver set in this list and one connectivity layer for PLCs, controllers and devices, on Windows and Linux. Licenses are quoted and the trial lasts two hours at a time.

    Best for Multi-vendor plants needing one driver layer

    WindowsLinuxContact for pricing

  2. HighByte Intelligence Hub

    Edge DataOps software that models OPC UA, Modbus and Sparkplug MQTT data and sends it to IT and cloud systems, on Windows, macOS, Linux or Docker. It is an annual subscription with a free 30-day trial license.

    Best for Edge data modeling for a Unified Namespace

    WindowsmacOSLinuxSubscription

  3. open62541

    Free MPL-2.0 OPC UA library in C99 that runs on Windows, Linux, RTOS and Android. It suits developers who write their own servers and clients, and it is not a configurable gateway or a client tool.

    Best for Developers building OPC UA servers and clients in C

    WindowsLinuxAndroidFree and open sourceOpen source

  4. Telegraf

    Open-source MIT agent with OPC UA and Modbus input plugins, built for Windows, macOS and Linux. It collects metrics into time-series and messaging outputs rather than acting as an OPC server or gateway.

    Best for Open-source OPC UA and Modbus data collection

    WindowsmacOSLinuxFree and open sourceOpen source

  5. UaExpert

    A free OPC UA reference client for browsing, reading, writing and subscribing, on Windows and Linux. It is a testing tool rather than connectivity software, and plugins need keys above set limits.

    Best for Testing and commissioning OPC UA servers

    WindowsLinuxFree

At a glance

ProductScorePricePlatformsProtocolsLicense modelTrial
Kepware Server92.5Contact for pricingWindowsLinuxOver 150 drivers (vendor site)Licensed; quote-basedTwo hours, restartable
HighByte Intelligence Hub83.5SubscriptionWindowsmacOSLinuxOPC UA, Modbus, Sparkplug over MQTT, SQLAnnual subscriptionFree 30-day trial license
open6254177.5Free and open sourceWindowsLinuxAndroidOPC UA (IEC 62541)Open source under MPL-2.0Not needed; source is free
Telegraf72.0Free and open sourceWindowsmacOSLinuxOPC UA, Modbus, MQTT, Kafka, AMQP (plugins)MIT, open sourceNot needed; source is free
UaExpert70.0FreeWindowsLinuxOPC UA client; no device driversFree; some plugins need keysFree version, no trial