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.

Reciprocal Public License (RPL-1.5) Version 1.5, July 15, 2007 Copyright (C) 2001-2007 Technical Pursuit Inc., All Rights Reserved. PREAMBLE The Reciprocal Public License (RPL) is based on the concept of reciprocity or, if you prefer, fairness. In short, this license grew out of a desire to close loopholes in previous open source licenses, loopholes that allowed parties to acquire open source software and derive financial benefit from it without having to release their improvements or derivatives to the community which enabled them. This occurred any time an entity did not release their application to a "third party". While there is a certain freedom in this model of licensing, it struck the authors of the RPL as being unfai...

The LaTeX Project Public License =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=- LPPL Version 1.3b 2006-01-07 Copyright 1999 2002-2006 LaTeX3 Project Everyone is allowed to distribute verbatim copies of this license document, but modification of it is not allowed. PREAMBLE ======== The LaTeX Project Public License (LPPL) is the primary license under which the the LaTeX kernel and the base LaTeX packages are distributed. You may use this license for any work of which you hold the copyright and which you wish to distribute. This license may be particularly suitable if your work is TeX-related (such as a LaTeX package), but you may use it with small modifications even if your work is unrelated to TeX. The section `WHETHER AND HOW T...

EABA Open Supplement License v1.0 EABA Open Supplement License, Version 1.0 The following License governs the copying, modifying and distributing of EABA-compatible material. By copying, modifying, and/or distributing such material, you are agreeing to be bound by the terms of this License. The content of this license may not be modified, but format, size and placement may be adjusted to suit the nature of a particular EABA-compatiable work. 1. Application This License applies to supplement material compatible with EABA produced by any individual or entity other than BTRC. It does not extend to any other products or works by BTRC. EABA itself is a copyrighted work and may not be c...

Version 2.0.1, 21 December 1999 Copyright 1999, The OpenLDAP Foundation, Redwood City, California, USA. All Rights Reserved. Redistribution and use of this software and associated documentation ("Software"), with or without modification, are permitted provided that the following conditions are met: 1. Redistributions of source code must retain copyright statements and notices. Redistributions must also contain a copy of this document. 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. 3. The name "OpenLDAP" must not be used to endorse or promote products derived from this So...

CNRI OPEN SOURCE GPL-COMPATIBLE LICENSE AGREEMENT IMPORTANT: PLEASE READ THE FOLLOWING AGREEMENT CAREFULLY. BY CLICKING ON "ACCEPT" WHERE INDICATED BELOW, OR BY COPYING, INSTALLING OR OTHERWISE USING PYTHON 1.6.1 SOFTWARE, YOU ARE DEEMED TO HAVE AGREED TO THE TERMS AND CONDITIONS OF THIS LICENSE AGREEMENT. 1. This LICENSE AGREEMENT is between the Corporation for National Research Initiatives, having an office at 1895 Preston White Drive, Reston, VA 20191 ("CNRI"), and the Individual or Organization ("Licensee") accessing and otherwise using Python 1.6.1 software in source or binary form and its associated documentation. 2. Subject to the terms and conditions of this License Agreement, CNRI hereby grants Licensee a nonexclusive, r...

People : Open Source Enthusiasts

A collection of open source and copyleft license writers.

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