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.

CeCILL-B 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-B1 license are: Commissariat à l'Energie Atomique - ...

NASA OPEN SOURCE AGREEMENT VERSION 1.1 THIS OPEN SOURCE AGREEMENT ("AGREEMENT") DEFINES THE RIGHTS OF USE, REPRODUCTION, DISTRIBUTION, MODIFICATION AND REDISTRIBUTION OF CERTAIN COMPUTER SOFTWARE ORIGINALLY RELEASED BY THE UNITED STATES GOVERNMENT AS REPRESENTED BY THE NATIONAL AERONAUTICS AND SPACE ADMINISTRATION ("NASA"). ANYONE WHO USES, REPRODUCES, DISTRIBUTES, MODIFIES OR REDISTRIBUTES THE SUBJECT SOFTWARE, AS DEFINED HEREIN, OR ANY PART THEREOF, IS, BY THAT ACTION, ACCEPTING IN FULL THE RESPONSIBILITIES AND OBLIGATIONS CONTAINED IN THIS AGREEMENT. NASA Original Software Designation: _____________________________________ NASA Original Software Title: ___________________________________________ User Registration requested, ...

Simple Machines License (SMF 1.0 and 1.1) Definitions 1. This Package is defined as all of the files within any archive file or any group of files released in conjunction by Simple Machines, Simple Machines, or a derived or modified work based on such files. 2. A Modification, or a Mod, is defined as instructions, to be performed manually or in an automated manner, that alter any part of this Package. 3. A Modified Package is defined as this Package or a derivative of it with one or more Modification applied to it. 4. Distribution is defined as allowing one or more other people to in any way download or receive a copy of this Package, a Modified Package, or a derivative of this Package. 5. The Software is def...

Copyright 1993-2014 University Corporation for Atmospheric Research/Unidata Portions of this software were developed by the Unidata Program at the University Corporation for Atmospheric Research. Access and use of this software shall impose the following obligations and understandings on the user. The user is granted the right, without any fee or cost, to use, copy, modify, alter, enhance and distribute this software, and any derivative works thereof, and its supporting documentation for any purpose whatsoever, provided that this entire notice appears in all copies of the software, derivative works and supporting documentation. Further, UCAR requests that the user credit UCAR/Unidata in any publications that result from the use of this...

Sybase Open Watcom Public License version 1.0 USE OF THE SYBASE OPEN WATCOM SOFTWARE DESCRIBED BELOW ("SOFTWARE") IS SUBJECT TO THE TERMS AND CONDITIONS SET FORTH IN THE SYBASE OPEN WATCOM PUBLIC LICENSE SET FORTH BELOW (“LICENSE”). YOU MAY NOT USE THE SOFTWARE IN ANY MANNER UNLESS YOU ACCEPT THE TERMS AND CONDITIONS OF THE LICENSE. YOU INDICATE YOUR ACCEPTANCE BY IN ANY MANNER USING (INCLUDING WITHOUT LIMITATION BY REPRODUCING, MODIFYING OR DISTRIBUTING) THE SOFTWARE. IF YOU DO NOT ACCEPT ALL OF THE TERMS AND CONDITIONS OF THE LICENSE, DO NOT USE THE SOFTWARE IN ANY MANNER. 1. General; Definitions. This License applies only to the following software programs: the open source versions of Sybase’s Watcom C/C++ and Fortran...

People : Open Source Enthusiasts

A collection of open source and copyleft license writers.

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