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.

Version 1.3, 17 January 1999 Copyright 1998-1999, The OpenLDAP Foundation. All Rights Reserved. Note: This license is derived from the "Artistic License" as distributed with the Perl Programming Language. As significant differences exist, the complete license should be read. PREAMBLE The intent of this document is to state the conditions under which a Package may be copied, such that the Copyright Holder maintains some semblance of artistic control over the development of the package, while giving the users of the package the right to use and distribute the Package in a more-or-less customary fashion, plus the right to make reasonable modifications. Definitions: "Package" refers to the collection of files distributed b...

Copying and distribution of this file, with or without modification, are permitted in any medium without royalty provided the copyright notice and this notice are preserved. This file is offered as-is, without any warranty.

The Cougaar Open Source License Agreement Copyright (c) 1999-2002 The Cougaar Group. All rights reserved.  This Cougaar Open Source License Agreement (the 'Agreement') sets forth the terms and conditions under which the Cougaar Software (as defined below), sponsored by the Defense Advanced Research Agency, will be licensed by BBNT Solutions, LLC ('BBN') or other identified copyright holder called ('Licensor') to you ('Licensee' or 'You'), and under which Derivative Works (as defined below) of Cougaar Software will be licensed by Licensee to Licensor and the Cougaar Group.  Definitions:   'Cougaar Software' means the Cognitive Agent Architecture software originally created and released by Licensor under this Agreement.  '...

RECIPROCAL PUBLIC LICENSE Version 1.1, November 1, 2002 Copyright (C) 2001-2002 Technical Pursuit Inc., All Rights Reserved. PREAMBLE This Preamble is intended to describe, in plain English, the nature, intent, and scope of this License. However, this Preamble is not a part of this License. The legal effect of this License is dependent only upon the terms of the License and not this Preamble. This License is based on the concept of reciprocity. In exchange for being granted certain rights under the terms of this License to Licensor's Software, whose Source Code You have access to, You are required to reciprocate by providing equal access and rights to all third parties to the Source Code of any Modifications, ...

Honest Public License (HPL) Version 1.1, November 2006 This license is a modified version of the GNU General Public License copyright (C) 1989, 1991 Free Software Foundation, Inc. and has been made with their permission, but has not been endorsed by the Free Software Foundation. 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. The precise terms and conditions for copying, distribution and modification follow. TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION 0. This License applies to any program or other work which contains a notice placed by the copyright hold...

People : Open Source Enthusiasts

A collection of open source and copyleft license writers.

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