Suggestions appear as you type. Use the up and down arrows to choose one and Enter to open it.

This page's audience our own tag's counts — open to see them
–Visits
–Page views
–Clicks to vendors
–Time on page
–Reading now
Clicks to vendors, by tool
  • –
Top countries
  • –
Devices
  • –

– · visits, page views and clicks counted by our own tag, which counts more than our checked analytics; every figure rounded down · how we count

Unified Automation OPC UA SDKs

#15 of 20 in Sdk

Unified Automation OPC UA SDKs: A multi-language OPC UA SDK family with a 90-day evaluation and sales-led licensing. Ranked #15 of 20 in Sdk by our editors (7.5/10); pricing: Pricing on request · 90-day trial; best for teams implementing OPC UA clients and servers.

7.5/10Editor score
Unified Automation OPC UA SDKs7.5 Visit site

At a glance

  • Editor score
    7.5 / 10
  • Pricing
    Pricing on request · 90-day trial
  • Best for
    Teams implementing OPC UA clients and servers
  • Free plan
    No
  • Offline support
    Yes
  • Facts checked
    24 Sep 2026
  • Where it wins

    • SDK options include C++, ANSI C, C99, C#, Java and Delphi.
    • Libraries support OPC UA client and server development, with PubSub options.
    • Samples, tutorials and reference documentation support development.
  • Where it doesn't

    • Licensing is commercial and requires contacting sales.
    • Language and platform support varies across individual SDKs.
    • No perpetual free plan is offered.

Our verdict on Unified Automation OPC UA SDKs

Unified Automation OPC UA SDKs are a family of commercial development kits for teams adding OPC UA client, server or PubSub capabilities to their own products. The range covers C++, ANSI C, high-performance C, .NET, Java and Delphi development, with language and capability availability varying by SDK. It is aimed at developers who need libraries and helper functionality for OPC UA-enabled applications, including desktop and embedded targets. Windows and Linux are supported, alongside additional target environments for some offerings.

The breadth of the family is its main distinction: SDKs provide OPC UA services such as discovery, sessions, browsing, reading and subscriptions, and security handling supports OPC UA security profiles. PubSub offerings are available across multiple implementation languages. Samples, tutorials and reference documentation are included, and NuGet is listed for the .NET SDK. This makes the product family a fit for teams choosing a specific language and target environment, but buyers should match the requirements to an individual SDK rather than assume every option has the same features or platform coverage.

Licensing is commercial, with evaluation licenses available for 90 days; there is no perpetual free plan. The vendor directs prospective buyers to sales for license information, and licenses are issued per developer. These terms suit teams evaluating a defined implementation before purchasing, but make early budget planning dependent on a sales conversation. Choose Unified Automation when its language-specific SDK and supported targets fit the project; consider alternatives if you need transparent self-serve pricing or a free ongoing development tier.

Your product? Our editors can test Unified Automation OPC UA SDKs in depth and publish a review, labelled as paid · from $149/mo →

Unified Automation OPC UA SDKs pricing

Plans Pricing on request · 90-day trial No free plan — trial or paid only. Prices checked 24 Sep 2026.
See plans on unified-automation.com

Unified Automation OPC UA SDKs fact sheet

Free planNo
Paid fromNot verified
Supported languagesC++, ANSI C, C99, C#, Java, Delphi
Target platformsWindows, Linux, Windows CE, vxWorks, QNX, EUROS, RTOS, Zephyr; .NET target frameworks
Package managersNuGet (for .NET SDK)
Source and licenseProprietary
Self-hosted optionNo
Offline supportYes
Free trial90 days
DeploymentSelf-hosted
PlatformsWindows, Linux
SupportDocs
Built forSmall business, Mid-market, Enterprise (editorial estimate)
PricingPricing on request · 90-day trial
Websiteunified-automation.com
Facts checked24 Sep 2026

Alternatives to Unified Automation OPC UA SDKs

See all Unified Automation OPC UA SDKs alternatives →

Used Unified Automation OPC UA SDKs? Be the first to review it

The editor score above is our own research. What this page doesn't have yet is a reader's view — what you used Unified Automation OPC UA SDKs for, what worked and what didn't. No stars are seeded and no review is paid for; an editor reads every one before it appears.

Write a reviewTwo minutes · verified accounts only · read by an editor before it appears

Reviews come only from verified accounts. Sign in or create an account first — your e-mail is never shown.

Your rating

0 characters · at least 80, up to 3,000

Posted from your verified account. Reviews appear after an editor reads them, usually within two working days.

Featured on iTechGuides

Featured on iTechGuides — Unified Automation OPC UA SDKs 7.5/10

Unified Automation OPC UA SDKs is listed in our Sdk directory. Add the badge to your site — it links back to this page.

<a href="https://www.itechguides.com/products/unified-automation-opc-ua-sdks/"><img src="https://www.itechguides.com/best/badge/unified-automation-opc-ua-sdks.svg" alt="Featured on iTechGuides" width="230" height="46"></a>

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

Last updated · How we research and update