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.

Version 2.1 dated 2013-06-21 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 (for Ce[a] C[nrs] I[nria] L[ogiciel] L[ibre]) license are: Commissariat à l'é...

3DFX GLIDE Source Code General Public License 1. PREAMBLE This license is for software that provides a 3D graphics application program interface (API).The license is intended to offer terms similar to some standard General Public Licenses designed to foster open standards and unrestricted accessibility to source code. Some of these licenses require that, as a condition of the license of the software, any derivative works (that is, new software which is a work containing the original program or a portion of it) must be available for general use, without restriction other than for a minor transfer fee, and that the source code for such derivative works must likewise be made available. The only restriction is that such de...

Verbatim copying and distribution of this entire article are permitted worldwide, without royalty, in any medium, provided this notice is preserved. Please note the following commentary about this “verbatim license” by Eben Moglen: “Our intention in using the phrase ‘verbatim copying in any medium’ is not to require retention of page headings and footers or other formatting features. Retention of weblinks in both hyperlinked and non-hyperlinked media (as notes or some other form of printed URL in non-HTML media) is required”.

Computer Associates Trusted Open Source LicenseVersion 1.1 PLEASE READ THIS DOCUMENT CAREFULLY AND IN ITS ENTIRETY. THE ACCOMPANYING PROGRAM IS PROVIDED UNDER THE TERMS OF THIS COMPUTER ASSOCIATES TRUSTED OPEN SOURCE LICENSE ("LICENSE"). ANY USE, REPRODUCTION, MODIFICATION OR DISTRIBUTION OF THE PROGRAM CONSTITUTES THE RECIPIENT'S ACCEPTANCE OF THIS LICENSE. License Background Computer Associates International, Inc. (CA) believes in open source. We believe that the open source development approach can take appropriate software programs to unprecedented levels of quality, growth, and innovation. To demonstrate our continuing commitment to open source, we are releasing the Program (as defined below) under this License. T...

-------------------------------------------------------------------- The PHP License, version 3.01 Copyright (c) 1999 - 2010 The PHP Group. All rights reserved. -------------------------------------------------------------------- Redistribution and use in source and binary forms, with or without modification, is permitted provided that the following conditions are met: 1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. 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 "P...

People : Open Source Enthusiasts

A collection of open source and copyleft license writers.

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