Open Source Attributions

We build on trusted open-source tools and infrastructure partners. This page documents the libraries, APIs, and services that support World Studio.

Core Technologies

These libraries power the real-time 3D foundation of World Studio and make web-based geographic visualization possible.

CesiumJS

Apache License 2.0

An open source JavaScript library for world-class 3D globes and maps.

Copyright 2011-2022 Cesium Contributors

https://cesium.com/platform/cesiumjs/
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Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.

Three.js

MIT License

JavaScript 3D library for creating and displaying animated 3D computer graphics in a web browser.

Copyright 2010-2025 three.js authors

https://threejs.org/
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The MIT License Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

Google Earth Photorealistic 3D Tiles

Google Terms of Service

Photorealistic 3D Tiles from Google Earth used for realistic global visualization.

Google Maps Platform Documentation

APIs & Services

World Studio also relies on specialized services for pricing, authentication, infrastructure, and time-based environmental calculations.

Sunrise-Sunset.org API

Free with Attribution

Free API providing sunset and sunrise times for a given latitude and longitude.

The sunrise and sunset API can be used free of charge. We require attribution with a link.

https://sunrise-sunset.org/api

Firebase

Apache License 2.0

Google's mobile and web application development platform for authentication and backend services.

Copyright 2017 Google LLC

https://firebase.google.com/

Stripe

Proprietary

Payment processing platform for internet businesses.

https://stripe.com/

Cloudflare

Service Provider

CDN, Workers, Pages, R2 Storage, and KV database services.

https://www.cloudflare.com/

Open Source Tools

These tools support model preparation and automation in the conversion pipeline behind the World Studio experience.

Blender

GNU GPL v3

Open source 3D creation suite used server-side for 3D model format conversion.

Copyright Blender Foundation

https://www.blender.org/

Blender is used only for server-side processing. The GPL license does not affect the licensing of World Studio or user-generated content.

Python

PSF License

Programming language used for server-side scripting and Blender automation.

Copyright Python Software Foundation

https://www.python.org/

Special Thanks

We appreciate the open-source maintainers, service providers, and technical communities that make modern 3D web software possible. If there is an attribution we should add or clarify, please contact us.