CopyLeft License : Every Open Source License

POV-Ray Licence Agreement GENERAL LICENSE AGREEMENT FOR PERSONAL USE Persistence of Vision Ray Tracer (POV-Ray) Version 3.6 License and Terms & Conditions of Use version of 1 February 2005 (also known as POVLEGAL.DOC) Please read through the terms and conditions of this license carefully. This license is a binding legal agreement between you, the 'User' (an individual or single entity) and Persistence of Vision Raytracer Pty. Ltd. ACN 105 891 870 (herein also referred to as the "Company"), a company incorporated in the state of Victoria, Australia, for the product known as the "Persistence of Vision Ray Tracer", also referred to herein as 'POV-Ray'. YOUR ATTENTION IS PARTICULARLY DRAWN TO THE DISCLAIMER OF WARR...

Oculus VR, Inc. Software Development Kit License Agreement Copyright © 2014 Oculus VR, Inc. All rights reserved. The text of this may be found at: http://www.oculusvr.com/licenses/LICENSE-3.1. Human-Readable Summary* You are Free to: Use, modify, and distribute the Oculus VR Rift SDK in source and binary form with your applications/software. With the Following Restrictions: - You can only distribute or re-distribute the source code to LibOVR in whole, not in part. - Modifications to the Oculus VR Rift SDK in source or binary form must be shared with Oculus VR. - If your applications cause health and safety issues, you may lose your right to use the Oculus VR Rift SDK, including LibOVR. - The Oculus VR ...

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CeCILL-C FREE SOFTWARE LICENSE AGREEMENT Notice This Agreement is a Free Software license agreement that is the result of discussions between its authors in order to ensure compliance with the two main principles guiding its drafting: firstly, compliance with the principles governing the distribution of Free Software: access to source code, broad rights granted to users, secondly, the election of a governing law, French law, with which it is conformant, both as regards the law of torts and intellectual property law, and the protection that it offers to both authors and holders of the economic rights over software. The authors of the CeCILL-C1 license are: Commissariat à l'Energie Atomique - ...

Copyright (c) 1999-2002 Henrik Theiling Licence Version 2 This software is provided 'as-is', without warranty of any kind, express or implied. In no event will the authors or copyright holders be held liable for any damages arising from the use of this software. Permission is granted to anyone to use this software for any purpose, including commercial applications, and to alter it and redistribute it freely, subject to the following restrictions: 1. The origin of this software must not be misrepresented; you must not claim that you wrote the original software. If you use this software in a product, an acknowledgment in the product documentation would be appreciated. 2. Altered source versions must be plainly marked...