Repositories list

• appui

  Public
  Monorepo for iTwin.js AppUI

  TypeScript

  •

  MIT License

  •33 forks•1212 stars•7070 issues•55 pull requests•Updated Aug 4, 2026Aug 4, 2026

• imodel-native

  Public
  C++

  •

  Apache License 2.0

  •1616 forks•2525 stars•3535 issues•3636 pull requests•Updated Aug 4, 2026Aug 4, 2026

• viewer-components-react

  Public
  Components built on iTwin.js for usability in an iTwin.js based Viewer.

  reactbimdigital-twin+ 4

  reactbimdigital-twinimodelimodeljsitwinitwinjs

  TypeScript

  •

  MIT License

  •3939 forks•3131 stars•5050 issues•1717 pull requests•Updated Aug 4, 2026Aug 4, 2026

• presentation

  Public
  Monorepo for iTwin.js Presentation Library

  TypeScript

  •

  MIT License

  •11 fork•66 stars•4343 issues•33 pull requests•Updated Aug 4, 2026Aug 4, 2026

• itwinjs-core

  Public
  Monorepo for iTwin.js Library

  nodejswebgltypescript+ 9

  nodejswebgltypescriptsqlitemonorepobimrushautodeskdigital-twinbentley+ 2

  TypeScript

  •

  MIT License

  •246246 forks•726726 stars•356356 issues•6161 pull requests•Updated Aug 4, 2026Aug 4, 2026

• stratakit

  Public

  iTwin/stratakit’s past year of commit activity
  Monorepo for StrataKit

  TypeScript

  •

  MIT License

  •22 forks•2626 stars•3939 issues•3333 pull requests•Updated Aug 4, 2026Aug 4, 2026

• reality-capture

  Public
  Reality Capture SDKs (Reality Analysis, Reality Modeling & Reality Conversion), examples and web app sample

  TypeScript

  •

  MIT License

  •33 forks•1111 stars•66 issues•55 pull requests•Updated Aug 4, 2026Aug 4, 2026

• imodel-transformer

  Public
  API for exporting an iModel's parts and also importing them into another iModel

  TypeScript

  •

  MIT License

  •22 forks•55 stars•6262 issues•2525 pull requests•Updated Aug 4, 2026Aug 4, 2026

• admin-components-react

  Public
  Administrative feature components for the iTwin Platform

  TypeScript

  •

  MIT License

  •1515 forks•00 stars•1111 issues•66 pull requests•Updated Aug 4, 2026Aug 4, 2026

• bis-schemas

  Public
  This repository is the single-source-of-truth (SSOT) for all BIS schemas.

  validationtoolsschemas+ 5

  validationtoolsschemasbisbentleyimodeljsitwinecschemas

  JavaScript

  •

  MIT License

  •1010 forks•1919 stars•2626 issues•3535 pull requests•Updated Aug 3, 2026Aug 3, 2026

• imodels-clients

  Public
  Monorepo for iModels API clients

  TypeScript

  •

  MIT License

  •22 forks•88 stars•77 issues•33 pull requests•Updated Aug 3, 2026Aug 3, 2026

• auth-clients

  Public
  Auth Clients for the Bentley iTwin Platform

  electronoauth2web+ 2

  electronoauth2weboidcitwinjs

  TypeScript

  •

  MIT License

  •44 forks•66 stars•2525 issues•11 pull request•Updated Jul 31, 2026Jul 31, 2026

• scenes-client

  Public
  Central repository for Scenes API client and schemas

  TypeScript

  •

  MIT License

  •00 forks•00 stars•00 issues•00 pull requests•Updated Jul 30, 2026Jul 30, 2026

• mobile-native-android

  Public
  MIT License

  •22 forks•55 stars•00 issues•00 pull requests•Updated Jul 30, 2026Jul 30, 2026

• mobile-native-ios

  Public
  Ruby

  •

  MIT License

  •00 forks•44 stars•00 issues•00 pull requests•Updated Jul 30, 2026Jul 30, 2026

• itwins-client

  Public
  https://developer.bentley.com/apis/iTwins/

  TypeScript

  •

  MIT License

  •33 forks•44 stars•00 issues•33 pull requests•Updated Jul 29, 2026Jul 29, 2026

• presentation-rules-editor

  Public
  An application for testing and editing Presentation rulesets.

  bimdigital-twinbentley+ 2

  bimdigital-twinbentleyimodelitwin

  TypeScript

  •

  MIT License

  •22 forks•1010 stars•1414 issues•22 pull requests•Updated Jul 27, 2026Jul 27, 2026

• ecjson2md

  Public
  A CLI tool that is used to generate Markdown files based upon ECSchemas.

  markdowntypescriptchai+ 4

  markdowntypescriptchaibisbentleyimodeljsecschemas

  TypeScript

  •

  MIT License

  •00 forks•00 stars•00 issues•22 pull requests•Updated Jul 25, 2026Jul 25, 2026

• viewer

  Public
  Monorepo that contains the iTwin Viewer npm packages and their related packages

  reactjsimodeljsitwin-viewer+ 2

  reactjsimodeljsitwin-vieweritwinitwinjs

  TypeScript

  •

  MIT License

  •1818 forks•3636 stars•2121 issues•11 pull request•Updated Jul 24, 2026Jul 24, 2026

• access-control-client

  Public
  https://developer.bentley.com/apis/access-control/

  TypeScript

  •

  MIT License

  •11 fork•33 stars•00 issues•22 pull requests•Updated Jul 22, 2026Jul 22, 2026

• scenes-tutorial

  Public
  Code for following the Scenes API Tutorial

  TypeScript

  •

  MIT License

  •11 fork•00 stars•00 issues•77 pull requests•Updated Jul 21, 2026Jul 21, 2026

• eslint-plugin

  Public
  JavaScript

  •

  MIT License

  •00 forks•00 stars•1515 issues•22 pull requests•Updated Jul 17, 2026Jul 17, 2026

• object-storage

  Public
  Monorepo for object storage abstraction packages.

  TypeScript

  •

  MIT License

  •00 forks•66 stars•77 issues•11 pull request•Updated Jul 14, 2026Jul 14, 2026

• iTwinUI

  Public
  A design system for building beautiful and well-working web interfaces.

  TypeScript

  •

  MIT License

  •6060 forks•123123 stars•5656 issues•66 pull requests•Updated Jul 10, 2026Jul 10, 2026

• changed-elements-react

  Public
  A set of React components that help implement iTwin version comparison workflows

  itwinjsitwin-platformchanged-elements

  itwinjsitwin-platformchanged-elements

  TypeScript

  •

  MIT License

  •00 forks•22 stars•11 issue•55 pull requests•Updated Jul 8, 2026Jul 8, 2026

• cesium-native

  Public
  C++

  •

  Apache License 2.0

  •272272 forks•00 stars•00 issues•00 pull requests•Updated Jul 8, 2026Jul 8, 2026

• itwin-unreal-plugin

  Public
  C++

  •

  Apache License 2.0

  •99 forks•3939 stars•1515 issues•66 pull requests•Updated Jul 7, 2026Jul 7, 2026

• bis-schema-validation

  Public
  This repository provides validation tools for bis-schemas.

  nodejstypescriptvalidation+ 8

  nodejstypescriptvalidationtoolsmochachairushbisbentleyitwin+ 1

  TypeScript

  •

  MIT License

  •11 fork•11 star•00 issues•00 pull requests•Updated Jul 2, 2026Jul 2, 2026

• connector-framework

  Public
  iTwin Connector Framework

  connectoritwinjs

  connectoritwinjs

  TypeScript

  •

  MIT License

  •00 forks•55 stars•11 issue•1212 pull requests•Updated Jul 1, 2026Jul 1, 2026

• transformations-api-sample

  Public
  TypeScript

  •

  MIT License

  •00 forks•11 star•00 issues•1313 pull requests•Updated Jun 30, 2026Jun 30, 2026