OPEN SOURCE LICENSE NOTICE

Viizor Platform - Complete Attribution

This document provides notice of open source software components used in the Viizor platform ("Software"). The Software incorporates certain third-party open source software packages as described below. Such packages are made available under their respective open source licenses, the terms of which are provided herein.

Viizor hereby acknowledges that it uses such open source software components in accordance with their respective licenses and provides this notice pursuant to the requirements of such licenses.

Effective Date: October 28, 2025

Last Updated: October 28, 2025

1. Potree

Software: Potree - WebGL Point Cloud Viewer
Version: 1.8
Copyright: © 2011-2020 Markus Schütz
License: BSD 2-Clause License
Source: https://github.com/potree/potree
BSD 2-Clause License Copyright (c) 2011-2020, Markus Schütz All rights reserved. Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: 1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. 2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

2. PotreeConverter

Software: PotreeConverter
Version: 2.0
Copyright: © 2020 Markus Schütz
License: BSD 2-Clause License
Source: https://github.com/potree/PotreeConverter
Important Notice Regarding PotreeConverter Version 2.0

PotreeConverter version 2.0 was subject to a commercial dual-license from August 2020 to September 8, 2020. On September 8, 2020, the software was reverted to the BSD 2-Clause License via commit f35bb0add042c90a9e5734e318e5eada05b867ed.

The version of PotreeConverter 2.0 used in this Software was obtained after September 8, 2020, and is therefore subject to the BSD 2-Clause License set forth below, permitting commercial use without royalty or license fee.

BSD 2-Clause License Copyright 2020 Markus Schütz Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: 1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. 2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

3. THREE.js

Software: THREE.js
Copyright: © 2010-2019 three.js authors
License: MIT License
Source: https://github.com/mrdoob/three.js
The MIT License Copyright © 2010-2019 three.js authors 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.

4. jQuery UI

Software: jQuery UI
Copyright: jQuery Foundation and contributors
License: MIT License
Source: https://jqueryui.com
Copyright jQuery Foundation and other contributors 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.

5. Additional Open Source Components

The Software also incorporates the following open source components, each used under their respective licenses:

Component License
proj4 MIT License
Spectrum MIT License
sql.js MIT License
dat.GUI Apache License 2.0
Delaunator ISC License
Express.js MIT License

Backend Dependencies: The Software's backend infrastructure utilizes 327 npm packages. The majority of these packages are licensed under MIT License (54.4%), Apache License 2.0 (33.6%), ISC License (5.8%), and BSD licenses (5.2%). All such packages are used in compliance with their respective open source licenses.

6. Compliance Statement

Viizor acknowledges and agrees to comply with all terms and conditions of the foregoing open source licenses. All required copyright notices have been retained in the Software's source code, and all license texts are included in the Software's distributions as required by the respective licenses.

This notice is provided to satisfy the attribution requirements of the BSD 2-Clause License, MIT License, and other open source licenses governing the components described herein.

Date of Compliance Verification: October 28, 2025