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Comparison · OPC and industrial connectivity software

dataFEED OPC Suite vs Kepware Server: which is better in 2026?

dataFEED OPC Suite88.5#2 in best OPC and industrial connectivity softwareKepware Server92.5#1 in best OPC and industrial connectivity software

Kepware Server ranks higher in our list of OPC and industrial connectivity software (#1 against #2, score 92.5 against 88.5).

How we rank Share

  • 88.5
    Editorial score
    92.5
  • 1
    Platforms
    2
  • No
    Free to use
    No
  • No
    Open source
    No

Which should you choose?

Choose dataFEED OPC Suite if you want

OPC Classic to OPC UA gateway with cloud output.

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.

Choose Kepware Server if you want

Multi-vendor plants needing one driver layer.

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.

The main differences

  • Only Kepware Server runs on Linux.

Side by side

dataFEED OPC SuiteKepware Server
Score88.592.5
Rank in list#2 of 10#1 of 10
PriceContact for pricingLicensed per version; 72-hour trial runtime; no prices shownContact for pricingLicensed software with quoted prices; trial runs two hours at a time
Free to useNoNo
Open sourceNoNo
PlatformsWindowsWindowsWindowsLinuxWindows, Linux
Made bySofting Industrial Automation GmbHVelotic
ProtocolsS7, ControlLogix, B&R, Mitsubishi, Modbus, OPC UAOver 150 drivers (vendor site)
License modelLicensed per version; v5 needs new licenseLicensed; quote-based
Trial72-hour runtimeTwo hours, restartable
Best forOPC Classic to OPC UA gateway with cloud outputMulti-vendor plants needing one driver layer
Strengths
  • OPC UA gateway and OPC Classic bridge in one product
  • MQTT and REST connectors
  • Store and forward in the Extended edition
  • Over 150 drivers behind one connectivity layer
  • Windows server and Linux edge editions
  • Kepware+ Manager adds SaaS management
Limits
  • Version 4.x licenses do not work with version 5.x
  • Windows is the only platform the product page names
  • Prices are quote-based and not shown
  • Trial sessions end after two hours
LinksVisit site Visit site

Questions about dataFEED OPC Suite vs Kepware Server

Is Kepware Server better than dataFEED OPC Suite?
Kepware Server ranks higher in our list of OPC and industrial connectivity software (#1 against #2, score 92.5 against 88.5). dataFEED OPC Suite is best for: OPC Classic to OPC UA gateway with cloud output. Kepware Server is best for: multi-vendor plants needing one driver layer.
Which is cheaper, dataFEED OPC Suite or Kepware Server?
dataFEED OPC Suite: Licensed per version; 72-hour trial runtime; no prices shown. Kepware Server: Licensed software with quoted prices; trial runs two hours at a time.
Do dataFEED OPC Suite and Kepware Server run on the same platforms?
dataFEED OPC Suite supports Windows. Kepware Server supports Windows, Linux.

Choosing between the two

Learning Center
1:17Beginner · 4 min readHow to decide between two good optionsSettle a close call by sorting it by how hard it is to undo, setting a deadline, scoring the criteria as a tie-breaker and writing down why you chose.1:20Beginner · 6 min readHow to compare products fairly: what to keep in mindDefine the job, cap the must-haves, compare like with like, count total cost over one period and weigh the criteria. Includes a worked example.

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