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.

Secure Messaging Protocol (SMP) Libraries [ACL, CML, SFL] Distribution Rights All source code for the SMP is being provided at no cost and with no financial limitations regarding its use and distribution. Organizations can use the SMP without paying any royalties or licensing fees. The SMP was originally developed by the U.S. Government. BAE Systems is enhancing and supporting the SMP under contract to the U.S. Government. The U.S. Government is furnishing the SMP software at no cost to the vendor subject to the conditions of the SMP Public License provided with the SMP software. 29 May 2002 Secure Messaging Protocol (SMP) Public License The United States Government/Department of Defense/National Security Agency/Office of Ne...

A. HISTORY OF THE SOFTWARE ========================== Python was created in the early 1990s by Guido van Rossum at Stichting Mathematisch Centrum (CWI, see http://www.cwi.nl) in the Netherlands as a successor of a language called ABC. Guido remains Python's principal author, although it includes many contributions from others. In 1995, Guido continued his work on Python at the Corporation for National Research Initiatives (CNRI, see http://www.cnri.reston.va.us) in Reston, Virginia where he released several versions of the software. In May 2000, Guido and the Python core development team moved to BeOpen.com to form the BeOpen PythonLabs team. In October of the same year, the PythonLabs team moved to Digital Creations (now Zope ...

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...

ODC Open Database License (ODbL) Preamble The Open Database License (ODbL) is a license agreement intended to allow users to freely share, modify, and use this Database while maintaining this same freedom for others. Many databases are covered by copyright, and therefore this document licenses these rights. Some jurisdictions, mainly in the European Union, have specific rights that cover databases, and so the ODbL addresses these rights, too. Finally, the ODbL is also an agreement in contract for users of this Database to act in certain ways in return for accessing this Database. Databases can contain a wide variety of types of content (images, audiovisual material, and sounds all in the same database, for example), and s...

The MIT License (MIT) Copyright (c) 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 M...

People : Open Source Enthusiasts

A collection of open source and copyleft license writers.

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