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.

EABA Open Supplement License v1.0 EABA Open Supplement License, Version 1.0 The following License governs the copying, modifying and distributing of EABA-compatible material. By copying, modifying, and/or distributing such material, you are agreeing to be bound by the terms of this License. The content of this license may not be modified, but format, size and placement may be adjusted to suit the nature of a particular EABA-compatiable work. 1. Application This License applies to supplement material compatible with EABA produced by any individual or entity other than BTRC. It does not extend to any other products or works by BTRC. EABA itself is a copyrighted work and may not be c...

Open Patent License Written by Victor Yodaiken Revised by Wind River Systems, Inc. The Open RTLinux Patent License ("License" or "Agreement") governs the royalty-free use of the process defined by U.S. Patent No. 5,995,745. Anyone can license the use of the Patented Process (as defined below) by agreeing to be bound by the terms of this License. Such person is considered to be the Licensee ("Licensee"). The Patented Process may be used, without any payment of a royalty, with two (2) types of software. The first type is software that operates under the terms of a GPL (as defined below). The second type is software operating under an Open RTLinux Execution Environment (as defined below). As long as the Licensee complies with ...

Microsoft maintains two licenses that have been certified by the Open Source Initiative (OSI). Certification by the OSI means that developers can be confident that the licenses meet the terms of the Open Source Definition. This page contains the text of those licenses; developers are free to use them as they wish within their works. On this page:Microsoft Public LicenseMicrosoft Reciprocal LicenseMicrosoft Public License (Ms-P

The OpenLDAP Public License Version 2.5, 11 May 2001 Redistribution and use of this software and associated documentation ("Software"), with or without modification, are permitted provided that the following conditions are met: 1. Redistributions of source code must retain copyright statements and notices. 2. Redistributions in binary form must reproduce applicable copyright statements and notices, this list of conditions, and the following disclaimer in the documentation and/or other materials provided with the distribution. 3. Redistributions must contain a verbatim copy of this document. 4. The names and trademarks of the authors and copyright holders must not be used in advertising or otherwise to promote the sale, u...

NAUMEN Public License (Naumen) This software is Copyright (c) NAUMEN (tm) and Contributors. All rights reserved. Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: 1. Redistributions in 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 NAUMEN (tm) must not be used to endorse or promote products derived from this software without prior ...

People : Open Source Enthusiasts

A collection of open source and copyleft license writers.

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