CopyLeft License : Every Open Source License

Welcome to CopyLeftLicense.com! Here you will find an archive of all the copyleft and open source licenses that have been published in the past. From Beerware Licensing, where you need to buy a beer for the open source programmer if you see them in a bar, to the fine-tuned and legally-curated Berkeley Software Distribution (BSD) License, we have it all. By knowing where we've come from, we might be able to learn where to go!

This archive contains 729 texts, with 682,528 words or 4,889,496 characters.

Licenses : Open Source and CopyLeft Licenses

A collection of open source and copyleft licenses.

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 ...

COPYRIGHT The following is a notice of limited availability of the code, and disclaimer which must be included in the prologue of the code and in all source listings of the code. Copyright Notice + 2002 University of Chicago Permission is hereby granted to use, reproduce, prepare derivative works, and to redistribute to others. This software was authored by: Argonne National Laboratory Group W. Gropp: (630) 252-4318; FAX: (630) 252-5986; e-mail: gropp@mcs.anl.gov E. Lusk: (630) 252-7852; FAX: (630) 252-5986; e-mail: lusk@mcs.anl.gov Mathematics and Computer Science Division Argonne National Laboratory, Argonne IL 60439 GOVERNMENT LICENSE Portions of this material resulted from work developed under a U.S. Government C...

This file is part of eCos, the Embedded Configurable Operating System. Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009 Free Software Foundation, Inc. eCos is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 or (at your option) any later version. eCos is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with eCos; if not, write to the F...

Copyright (C) 1995 by Donald Arseneau This file may be freely transmitted and reproduced, but it may not be changed unless the name is changed also (except that you may freely change the paper-size option for \documentclass).

The Cougaar Open Source License Agreement Copyright (c) 1999-2002 The Cougaar Group. All rights reserved.  This Cougaar Open Source License Agreement (the 'Agreement') sets forth the terms and conditions under which the Cougaar Software (as defined below), sponsored by the Defense Advanced Research Agency, will be licensed by BBNT Solutions, LLC ('BBN') or other identified copyright holder called ('Licensor') to you ('Licensee' or 'You'), and under which Derivative Works (as defined below) of Cougaar Software will be licensed by Licensee to Licensor and the Cougaar Group.  Definitions:   'Cougaar Software' means the Cognitive Agent Architecture software originally created and released by Licensor under this Agreement.  '...

People : Open Source Enthusiasts

A collection of open source and copyleft license writers.

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