Documentation
Quickstart - Web and Service Apps
Building a web or service application, use this guide for step-by-step instructions.
Learn about the iTwin Viewer
Building a Single Page Application (SPA), this tutorial will guide you through the process.
View our Samples
View our sample applications to help you get started.
Learn about iTwin spatial alignment
Improve the effectiveness and efficiency of your projects by ensuring accurate and precise geolocation.

Manage the users, projects, and organizations that interact with your iTwin.
Access and integrate data from both Bentley and 3rd party repositories.
Create, manage, analyze and share Reality Data such as Photos, Point Clouds, Meshes.
Build custom dashboards and integrate iTwin data with other business applications.
Collaborate with the project team to manage issues, exchanges, and design reviews.
Transform engineering data from native design formats to web-viewable iTwins.
Validate digital twin data and detect geometry clashes.
View and interact with your iTwin in a web browser using Bentley cloud services.
Subscribe to iTwin events to receive notifications and trigger actions in your applications.

Roles and permissions
Learn how to control who can manage your iTwin Platform subscription and applications.
Spatial alignment
Improve the effectiveness and efficiency of your projects by ensuring accurate and precise geolocation.

Open Source
Interested in our open source projects? We use them in the iTwin Platform.