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.

GL2PS LICENSE Version 2, November 2003 Copyright (C) 2003, Christophe Geuzaine Permission to use, copy, and distribute this software and its documentation for any purpose with or without fee is hereby granted, provided that the copyright notice appear in all copies and that both that copyright notice and this permission notice appear in supporting documentation. Permission to modify and distribute modified versions of this software is granted, provided that: 1) the modifications are licensed under the same terms as this software; 2) you make available the source code of any modifications that you distribute, either on the same media as you distribute any executable or other form of this software, or via a mechanism generally a...

This is free and unencumbered software released into the public domain. Anyone is free to copy, modify, publish, use, compile, sell, or distribute this software, either in source code form or as a compiled binary, for any purpose, commercial or non-commercial, and by any means. In jurisdictions that recognize copyright laws, the author or authors of this software dedicate any and all copyright interest in the software to the public domain. We make this dedication for the benefit of the public at large and to the detriment of our heirs and successors. We intend this dedication to be an overt act of relinquishment in perpetuity of all present and future rights to this software under copyright law. THE SOFTWARE IS PROVIDED "AS IS", W...

Yahoo! Public License, Version 1.0 (YPL) This Yahoo! Public License (this "Agreement") is a legal agreement that describes the terms under which Yahoo! Inc., a Delaware corporation having its principal place of business at 701 First Avenue, Sunnyvale, California 94089 ("Yahoo!") will provide software to you via download or otherwise ("Software"). By using the Software, you, an individual or an entity ("You") agree to the terms of this Agreement. In consideration of the mutual promises and upon the terms and conditions set forth below, the parties agree as follows: Grant of Copyright License 1.1 - Subject to the...

IPA Font License Agreement v1.0 (090305)   The Licensor provides the Licensed Program (as defined in Article 1 below) under the terms of this license agreement ("Agreement").  Any use, reproduction or distribution of the Licensed Program, or any exercise of rights under this Agreement by a Recipient (as defined in Article 1 below) constitutes the Recipient's acceptance of this Agreement.   Article 1 (Definitions) 1.         "Digital Font Program" shall mean a computer program containing, or used to render or display fonts. 2.         "Licensed Program" shall mean a Digital Font Program licensed by the Licensor under this Agreement. 3.         "Derived Program" shall mean a...

Eclipse Public License - v 1.0 THE ACCOMPANYING PROGRAM IS PROVIDED UNDER THE TERMS OF THIS ECLIPSE PUBLIC LICENSE ("AGREEMENT"). ANY USE, REPRODUCTION OR DISTRIBUTION OF THE PROGRAM CONSTITUTES RECIPIENT'S ACCEPTANCE OF THIS AGREEMENT. 1. DEFINITIONS "Contribution" means: a) in the case of the initial Contributor, the initial code and documentation distributed under this Agreement, and b) in the case of each subsequent Contributor: i) changes to the Program, and ii) additions to the Program; where such changes and/or additions to the Program originate from and are distributed by that particular Contributor. A Contribution 'originates' from a Contributor if it was added to the Program by such Contributor itself or an...

People : Open Source Enthusiasts

A collection of open source and copyleft license writers.

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