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SCHEMA ST4

SCHEMA ST4 is a component content management system for companies creating technical documentation across product variants, languages, and publishing channels.

Place
#21 of 29
Score
5.3
SCHEMA ST4's website

What SCHEMA ST4 is

SCHEMA ST4 is a component content management system for companies creating technical documentation across product variants, languages, and publishing channels. Teams can build modular content once and reuse it in documents and product variants, with updates applied wherever that content appears. An integrated XML editor supports structured authoring, and AI assistance checks language, terminology, and style in real time. Approval workflows let stakeholders comment and follow document status. ST4 can publish to PDF, HTML, Markdown, web, apps, and machine control systems, and it offers interfaces for ERP, PLM, translation memory systems, and translation agencies through a COTI-based interface. The product is offered as cloud or on-premises, with a 28-day trial and pricing on request. Quanos says ST4 Cloud is ISO 27001-certified, stores customer data on servers in Germany, and is GDPR-compliant. Rollout support includes migration, configuration, training, and ongoing support. Cloud AI tools are included at no extra cost; ST4 Cloud Automation is described as launching in January 2027.

Good

  • Reusable modular content across documents and variants
  • XML editor supports structured writing
  • AI checks language, terminology, and style
  • Publishes to six listed output types
  • 28-day trial is available

Watch out

  • Pricing is available on request
  • Cloud Automation is listed as launching in January 2027
  • Support hours exclude Bavarian public holidays

Who it suits

ST4 is aimed at companies managing technical documentation for multiple products, languages, or output channels. It may suit manufacturers in mechanical engineering, medical technology, electronics, and automotive.

Verdict

SCHEMA ST4 brings structured authoring, reuse, review, and publishing together for complex technical documentation. Its cloud and on-premises options and pricing-by-consultation model mean prospective customers will need to discuss their requirements with Quanos.

Plans and prices

From SCHEMA ST4's own pricing page, checked 8 Oct 2026.

All about pricing
PlanPriceWhat it gives you
SCHEMA ST4Priced on requestPricing by consultation; cloud and on-premises options

The facts

Each one read from SCHEMA ST4's own pages, with the date it was checked.

What it does

AI
The page says ST4 AI Jetpack, ST4 AI Writer, ST4 AI Translator, and ST4 Cloud Authoring Assistant are included in ST4 Cloud at no extra cost.checked 8 Oct 2026
Audience
It is aimed at companies managing technical documentation across multiple product variants, languages, or publishing channels, including manufacturers in mechanical engineering, medical technology, electronics, and automotive.checked 8 Oct 2026
Authoring
The integrated XML editor supports structured writing, and AI authoring assistance checks language, terminology, and style in real time.checked 8 Oct 2026
Content reuse
Teams can create modular content once and reuse it across documents and product variants, with changes applied wherever that content is used.checked 8 Oct 2026
Implementation
Quanos says rollout support includes data migration, configuration, training, and ongoing support.checked 8 Oct 2026
Integrations
The product page describes open interfaces for ERP, PLM, and translation memory systems, plus a standardized COTI-based interface for translation agencies.checked 8 Oct 2026
Notable availability
The page says ST4 Cloud Automation is included in ST4 Cloud Pro and is launching in January 2027.checked 8 Oct 2026
Product
SCHEMA ST4 is a component content management system for creating and managing technical documentation.checked 8 Oct 2026
Publishing
ST4 can publish content to PDF, HTML, Markdown, web, app, and machine control system outputs.checked 8 Oct 2026
Security
Quanos states that ST4 Cloud is ISO 27001-certified, stores customer data on servers in Germany, and is GDPR-compliant.checked 8 Oct 2026
Support
Quanos provides ST4 support through a ticket system, with support hours Monday–Thursday 8 a.m.–5 p.m. and Friday 8 a.m.–4 p.m., excluding Bavarian public holidays.checked 8 Oct 2026

Where it runs

Approvals
Approval workflows run in ST4, where stakeholders can comment on content and track document status.checked 8 Oct 2026

The company

Company history
Quanos’s company history says SCHEMA GmbH was founded in Nuremberg in 1995 and the Quanos Group was formed in January 2020.checked 8 Oct 2026
Headquarters
Nuremberg, Germanychecked 28 Sep 2026

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