@needle-tools/engine/LICENSE.md

Needle Engine is a web-based runtime for 3D apps. It runs on your machine for development with great integrations into editors like Unity or Blender - and can be deployed onto any device! It is flexible, extensible and networking and XR are built-in.

Copyright ©️ Needle Tools GmbH, 2021–2022. All Rights Reserved

Needle Engine (from here called “the library”) is not open source. 

You (“the customer”) are free to use this library except for projects for commercial purposes and except for purposes connected to NFT-related projects. 

Additionally, this library can be used for free for evaluation purposes. The customer may use the software only to evaluate its functionality and suitability for the customer’s needs, not to serve customer’s customers or to integrate into production systems.

Any other use requires eligibility according to our EULA (https://needle.tools/eula).
You are free to use this library for commercial purposes if you’re eligible for Needle Engine Free according to the terms and conditions put forth in the End-User License Agreement. Other uses need to be explicitly granted in written communication and may require separate licensing terms.