| Price from | — | — |
| Free plan | — | — |
| Free trial | — | — |
| Open source | — | — |
| Web | Yes | Yes |
| Windows | Yes | — |
| API | Yes | — |
| Self-hosted | Yes | Yes |
| Plans published | 1 | 1 |
| Spec score · Help Authoring Tools | 7.8 (#12) | 6.8 (#22) |
| Audience | The company highlights manufacturing, software, and utilities organizations, especially those with complex content accuracy and compliance needs. | 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. |
| Content reuse | Content is stored as reusable Topics, and updates flow to every Book that uses the Topic. | Teams can create modular content once and reuse it across documents and product variants, with changes applied wherever that content is used. |
| Headquarters | New Zealand | Nuremberg, Germany |
| Integrations | Author-it provides APIs for integration and automation with content delivery platforms, translation vendors, and other systems. | The product page describes open interfaces for ERP, PLM, and translation memory systems, plus a standardized COTI-based interface for translation agencies. |
| Product | Author-it is a component content management system that unifies structured authoring, review, translation, and publishing. | SCHEMA ST4 is a component content management system for creating and managing technical documentation. |
| Publishing | A single source can publish to formats including PDF, HTML5, SCORM eLearning, and AION JSON. | ST4 can publish content to PDF, HTML, Markdown, web, app, and machine control system outputs. |
| Security | The product page describes role-based access control, permissions management, audit trails, and security for cloud and on-premise deployments. | Quanos states that ST4 Cloud is ISO 27001-certified, stores customer data on servers in Germany, and is GDPR-compliant. |
| Support | Customer Resources links to the Knowledge Centre, support tickets, community hub, system status, training videos, and on-premise downloads. | 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. |