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...

COPYRIGHT NOTIFICATION (C) COPYRIGHT 2004 UNIVERSITY OF CHICAGO This program discloses material protectable under copyright laws of the United States. Permission to copy and modify this software and its documentation is hereby granted, provided that this notice is retained thereon and on all copies or modifications. The University of Chicago makes no representations as to the suitability and operability of this software for any purpose. It is provided "as is"; without express or implied warranty. Permission is hereby granted to use, reproduce, prepare derivative works, and to redistribute to others, so long as this original copyright notice is retained. Any publication resulting from research that made use of this software should cit...

The Educational Community License This Educational Community License (the "License") applies to any original work of authorship (the "Original Work") whose owner (the "Licensor") has placed the following notice immediately following the copyright notice for the Original Work: Copyright (c) Licensed under the Educational Community License version 1.0 This Original Work, including software, source code, documents, or other related items, is being provided by the copyright holder(s) subject to the terms of the Educational Community License. By obtaining, using and/or copying this Original Work, you agree that you have read, understand, and will comply with the following terms and conditions of the Educational Community License...

LICENSE TERMS SUMMARY: The current CCD CopyWrite license text is written with the intent of being understandable to the layman while still providing adequate legal protection and clarity for the terms of the license.  The latter goal can interfere with the former, however, and as such a shorter summary of the intent of the license terms is provided here:IN BRIEF: This license is meant to mimic the "public domain", a concept particular to certain countries, which means that no copyright or patent claims are enforced.  This is modified by two points:Unlike the public domain, nothing licensed CCD CopyWrite can be subsumed under terms of a contrary copyright license.Legally enforced "reminders" to avoid plagiarism or misattributio...

AMENDMENTS The Netscape Public License Version 1.1 ("NPL") consists of the Mozilla Public License Version 1.1 with the following Amendments, including Exhibit A-Netscape Public License.  Files identified with "Exhibit A-Netscape Public License" are governed by the Netscape Public License Version 1.1. Additional Terms applicable to the Netscape Public License. I. Effect. These additional terms described in this Netscape Public License -- Amendments shall apply to the Mozilla Communicator client code and to all Covered Code under this License. II. ''Netscape's Branded Code'' means Covered Code that Netscape distributes and/or permits others to distribute under one or more trademark(s) which are controlled...

People : Open Source Enthusiasts

A collection of open source and copyleft license writers.

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