Unlocking Infrastructure with Open Data NXTBLD

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 Platform

An open platform for infrastructure digital twins.

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.

Banner for AEC Magazine’s NXT BLD event, in partnership with Lenovo, taking place 13-14 May 2026 at the QE II Centre, London. Logo for NXT DEV also shown—join us and Build With Us.