Build With Us
Advance Infrastructure with Bentley's Open Source Tools
Join our growing community of developers building the future of the built and natural world. Whether you’re exploring the iTwin platform, diving into ECSQL, or contributing to Cesium, we have the resources you need to get started. Explore our repositories and developer portals below to start creating impactful solutions today.
Develop on the infrastructure tech platform of the future
Build, manage, and grow your digital twin solutions with iTwin Platform APIs & services.
iTwin Studio
The place for building amazing apps for Infrastructure Digital Twins
iTwin.js ECSQL
ECSQL is a text-based command language for CRUD (create, read, update, delete) operations against the business data in an iModel or ECDb file.
OpenSTAAD MCP
An MCP Server enabling AI Agents to interact with STAAD.Pro
CesiumGS
An open-source JavaScript library for world-class 3D globes and maps.