Filtered ranking
Best OPC and Industrial Connectivity Software for Windows in 2026
5 of the 6 OPC and industrial connectivity software ranked on listme.name match: they officially support Windows. The order uses the same scores as the full ranking.
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
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
- 3
Cogent DataHub
Gateways and tunnellers for OPC, Modbus and MQTT with built-in scripting, on Windows Server. The annual subscription has a 24-month minimum term, which suits long projects more than pilots.
Best for Windows OPC and Modbus gateways on subscription
WindowsSubscription
- 4
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
- 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
| Product | Score | Price | Platforms | Protocols | License model | Trial |
|---|---|---|---|---|---|---|
 Kepware Server | 92.5 | Contact for pricing | WindowsLinux | Over 150 drivers (vendor site) | Licensed; quote-based | Two hours, restartable |
| dataFEED OPC Suite | 88.5 | Contact for pricing | Windows | S7, ControlLogix, B&R, Mitsubishi, Modbus, OPC UA | Licensed per version; v5 needs new license | 72-hour runtime |
 Cogent DataHub | 85.0 | Subscription | Windows | Modbus, OPC DA and UA tunnels, MQTT | Annual subscription, 24-month minimum | Trial download |
 Prosys OPC UA Gateway | 79.0 | Paid | Windows | OPC DA 2/3, OPC AE, OPC HDA to OPC UA | Licensed; price list on the site | Trial offered |
| UaExpert | 70.0 | Free | WindowsLinux | OPC UA client; no device drivers | Free; some plugins need keys | Free version, no trial |