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.
Copyright (c) 2009 Massachusetts Institute of Technology All Rights Reserved. Scratch was developed by Lifelong Kindergarten group at the MIT Media Lab. See scratch.mit.edu. Permission is hereby granted, free of charge, to any person obtaining a copy of the Scratch source code and accompanying documentation (the "Software"), to use, copy, modify, merge, publish, or distribute the Software or software derived from it ("Derivative Works") for non-commercial purposes, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: 1. The above copyright notice and this permission notice shall be included in all copies of the Software and Derivative Works. 2. The word "Scratch" shall not be...
Contents Preamble Warranty Distribution Notes LPPL Version 1.0 1999-03-01 Copyright 1999 LaTeX3 Project Everyone is permitted to copy and distribute verbatim copies of this license document, but modification is not allowed. PREAMBLE The LaTeX Project Public License (LPPL) is the license under which the base LaTeX distribution is distributed. As described below you may use this licence for any software that you wish to distribute. It may be particularly suitable if your software is TeX related (such as a LaTeX package file) but it may be used for any software, even if it is unrelated to TeX. To use this license, the files of your distribution ...
RECIPROCAL PUBLIC LICENSE Version 1.3, February 1, 2006 Copyright (C) 2001-2006 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,...
Attribution Assurance License Copyright (c) 2002 by AUTHOR PROFESSIONAL IDENTIFICATION * URL "PROMOTIONAL SLOGAN FOR AUTHOR'S PROFESSIONAL PRACTICE" All Rights Reserved ATTRIBUTION ASSURANCE LICENSE (adapted from the original BSD license) Redistribution and use in source and binary forms, with or without modification, are permitted provided that the conditions below are met. These conditions require a modest attribution to (the "Author"), who hopes that its promotional value may help justify the thousands of dollars in otherwise billable time invested in writing this and other freely available, open-source software. 1. Redistributions of source code, in whole or part and with or without modification (the "Code"), must pro...
SGI FREE SOFTWARE LICENSE B (Version 2.0, Sept. 18, 2008) Copyright (C) [dates of first publication] Silicon Graphics, Inc. All Rights Reserved. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice including the dates of first publication and either this permission notice or a reference to http://oss.sgi.com/projects/FreeB/ shall ...