Important: custom terms of use
END-USER LICENSE AGREEMENT (EULA)
Software: HERA - Heritage Environments in Research and Academia
Version 1.0: WindowsClient-Build & LinuxServer-Build
Licensor: Philippe Pathé / Bonn Center for Digital Humanities, University of Bonn
1. LICENSE GRANT & PERMITTED USE
The Licensor hereby grants you a worldwide, non-exclusive, royalty-free, irrevocable license to use,
reproduce, and redistribute the executable binary files (object code) of this Software. This license
applies to any lawful purpose, explicitly including scientific, academic, educational, as well as
commercial use (e.g., deployment in museums, exhibitions, public galleries, or by cultural heritage
institutions), subject to the restrictions in Section 2.
2. RESTRICTIONS (REVERSE ENGINEERING & COMMERCIAL RESALE BANS)
a) Reverse Engineering Ban: This Software incorporates proprietary third-party libraries (including
NVIDIA DLSS). You are strictly prohibited from decompiling, disassembling, decrypting, reverse
engineering, or otherwise attempting to reconstruct or discover the source code of the executable
files (Windows client and Linux server), in whole or in part, except and only to the extent that such
activity is expressly permitted by applicable law notwithstanding this limitation.
b) Commercial Resale Ban: You are strictly prohibited from selling, renting, leasing, sublicensing,
or charging a standalone fee for the distribution, download, or acquisition of this Software or any
part thereof. For the avoidance of doubt, while commercial use of the Software is permitted under
Section 1 (such as displaying it within a paid museum exhibition or public event), you may not
repackage, re-upload, or redistribute the Software itself for direct monetary gain or as a paid
standalone product.
3. DISCLAIMER OF WARRANTY AND LIMITATION OF LIABILITY
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 NON-INFRINGEMENT.
IN NO EVENT SHALL THE AUTHORS, THE UNIVERSITY OF BONN, OR THE THIRD-PARTY LICENSORS (INCLUDING, BUT
NOT LIMITED TO, EPIC GAMES, INC. AND NVIDIA CORPORATION) 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; SYSTEM CRASHES, 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. USE OF THIS SOFTWARE IS ENTIRELY AT YOUR OWN RISK.
4. THIRD-PARTY COMPONENTS
This Software contains third-party code and plugins that are subject to separate license terms. A
complete list of these components and their original license texts can be found in THIRD-PARTY NOTICES
AND LICENSES.
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THIRD-PARTY NOTICES AND LICENSES
This software incorporates components from third parties. The original licenses and copyright notices
are reproduced below.
1. UNREAL ENGINE 5.5 (Epic Games, Inc.)
Licensed under the Unreal Engine End User License Agreement for Publishing.
Copyright © 1998-2026, Epic Games, Inc. All rights reserved.
Unreal® is a trademark or registered trademark of Epic Games, Inc. in the United States of America and
elsewhere.
https://www.unrealengine.com/eula-reference/unreal-de
2. NVIDIA DLSS SDK (NVIDIA Corporation)
The DLSS binary components (.dll / .so) are redistributed in accordance with the NVIDIA Software License
Agreement for NVIDIA Software Development Kits.
Copyright © 2026, NVIDIA Corporation. All rights reserved.
https://www.nvidia.com/en-us/agreements/enterprise-software/nvidia-software-license-agreement/
3. VR EXPANSION PLUGIN (Joshua "MordenTral" Statzer)
Licensed under the MIT License.
Copyright (c) Joshua Statzer
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.
https://github.com/mordentral/VRExpansionPlugin?tab=MIT-1-ov-file
4. glTFRUNTIME PLUGIN (Roberto De Ioris)
Licensed under the MIT License.
Copyright (c) Roberto De Ioris
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.
https://github.com/rdeioris/glTFRuntime-docs?tab=MIT-1-ov-file