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.
The Open Group Test Suite License 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. Testing is essential for proper development and maintenance of standards-based products. For buyers: adequate conformance testing leads to reduced integration costs and protection of investments in applications, software and people. For software developers: conformance testing of platforms and ...
BitTorrent Open Source License Version 1.1 This BitTorrent Open Source License (the "License") applies to the BitTorrent client and related software products as well as any updates or maintenance releases of that software ("BitTorrent Products") that are distributed by BitTorrent, Inc. ("Licensor"). Any BitTorrent Product licensed pursuant to this License is a Licensed Product. Licensed Product, in its entirety, is protected by U.S. copyright law. This License identifies the terms under which you may use, copy, distribute or modify Licensed Product. Preamble This Preamble is intended to describe, in plain English, the nature and scope of this License. However, this Preamble is not a part of this license. The legal effect of th...
The FreeCard exception from the GPL If you intend to contribute to FreeCard, you have to place your contribution either under the GNU General Public License (GPL) or the GNU Lesser General Public License (LGPL). The best way to do this is to add the following notice to your contribution's readme file or add it as a comment to the start of any source code files you may be submitting: is (c) Copyright by . It is free software; you can distribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. As a special exception, you may publish an integrated combin...
The Zimbra Public License Version 1.2 ("ZPL") consists of the Mozilla Public License Version 1.1, modified to be specific to Zimbra, with the Additional Terms in Exhibit B. The original Mozilla Public License 1.1 can be found at: http://www.mozilla.org/MPL/MPL-1.1.html Zimbra Public License, Version 1.2 (ZPL) 1. Definitions. 1.0.1. "Commercial Use" means distribution or otherwise making the Covered Code available to a third party. 1.1. "Contributor" means each entity that creates or contributes to the creation of Modifications. 1.2. "Contributor Version" means the combination of the Original Cod...
Academic Free License Version 1.2 This Academic Free 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: Licensed under the Academic Free License version 1.2 Grant of License. Licensor hereby grants to any person obtaining a copy of the Original Work ("You") a world-wide, royalty-free, non-exclusive, perpetual, non-sublicenseable license (1) to use, copy, modify, merge, publish, perform, distribute and/or sell copies of the Original Work and derivative works thereof, and (2) under patent claims owned or controlled by the Licensor that are embodied in the Original Work as furnish...