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.

AFFERO GENERAL PUBLIC LICENSE Version 1, March 2002 Copyright © 2002 Affero Inc. 510 Third Street - Suite 225, San Francisco, CA 94107, USA This license is a modified version of the GNU General Public License copyright (C) 1989, 1991 Free Software Foundation, Inc. made with their permission. Section 2(d) has been added to cover use of software over a computer network. Everyone is permitted to copy and distribute verbatim copies of this license document, but changing it is not allowed.Preamble The licenses for most software are designed to take away your freedom to share and change it. By contrast...

Educational Community License, Version 2.0 (ECL-2.0) Version 2.0, April 2007http://www.osedu.org/licenses/ The Educational Community License version 2.0 ("ECL") consists of the Apache 2.0 license, modified to change the scope of the patent grant in section 3 to be specific to the needs of the education communities using this license. The original Apache 2.0 license can be found at: http://www.apache.org/licenses/LICENSE-2.0 TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION 1. Definitions. "License" shall mean the terms and conditions for use, reproduction, and distribution as defined by Sections 1 through 9 of this document. "Licensor" shall mean the copyright owner or entity authorized by the copyright owner th...

ZPL 2.1 Zope Public License (ZPL) Version 2.1 A copyright notice accompanies this license document that identifies the copyright holders. This license has been certified as open source. It has also been designated as GPL compatible by the Free Software Foundation (FSF). Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: Redistributions in source code must retain the accompanying copyright notice, this list of conditions, and the following disclaimer. Redistributions in binary form must reproduce the accompanying copyright notice, this list of conditions, and the following disclaimer in t...

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...

Copyright (C) 1991-2, RSA Data Security, Inc. Created 1991. All rights reserved. License to copy and use this software is granted provided that it is identified as the "RSA Data Security, Inc. MD5 Message-Digest Algorithm" in all material mentioning or referencing this software or this function. License is also granted to make and use derivative works provided that such works are identified as "derived from the RSA Data Security, Inc. MD5 Message-Digest Algorithm" in all material mentioning or referencing the derived work. RSA Data Security, Inc. makes no representations concerning either the merchantability of this software or the suitability of this software for any particular purpose. It is provided "as is" without expres...

People : Open Source Enthusiasts

A collection of open source and copyleft license writers.

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