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Best Cogent DataHub alternatives in 2026

Cogent DataHub is real-time data hub with OPC, Modbus and MQTT gateways for Windows. These 5 alternatives come from the same rankings, ordered by editorial score. Connected products carry a small, disclosed lift.

5 alternatives From best OPC and industrial connectivity software How we rank

Ranked alternatives

  1. 1

    Kepware Server

    Also runs on Linux. 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

    92.5score
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  2. 2

    dataFEED OPC Suite

    Covers an OPC UA server, an OPC Classic gateway and MQTT or REST output, with store and forward in the Extended edition. It runs on Windows only, and each license is tied to its version.

    Best for OPC Classic to OPC UA gateway with cloud output

    WindowsContact for pricing

    88.5score
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  3. 3

    Prosys OPC UA Gateway

    Wraps classic COM OPC DA, AE and HDA servers as OPC UA servers, with runtime connection changes. It is a 32-bit and 64-bit Windows application, and pricing sits in a separate price list.

    Best for Migrating legacy COM OPC servers to OPC UA

    WindowsPaid

    79.0score
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  4. 4

    OPC Turkey*

    Also runs on Web. Turkish sales and support site for Kepware products, with licensing, downloads and a support form. It is a service channel rather than a product of its own, and it lists no prices.

    Best for Kepware licenses and support in Turkey

    WebContact for pricing

    73.5score
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  5. 5

    UaExpert

    Has a free option; also runs on Linux. 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

    70.0score
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Narrow the alternatives

Cogent DataHub alternatives for Linux

About Cogent DataHub alternatives

What is the best alternative to Cogent DataHub?
On listme.name the highest-scored alternative is Kepware Server, followed by dataFEED OPC Suite. The right choice depends on price, platform and whether you need open source.
Is there a free alternative to Cogent DataHub?
Yes. Free options include UaExpert.

Made by, or connected to, the publisher of this site or people the publisher works with. Listed on the same criteria as everything else, with the lift described in How we rank and Disclosure.