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.

The "No problem Bugroff" license. Richard Stallman of the Free Software Foundation devised, in addition to some marvelous software, the GNU General Public License (GPL for short). Or the CopyLeft it is sometimes called. It is quite a revolutionary document, using the "copyright" tool to to protect your right to use free software. Unfortunately using copyright to protect free software is a lot like using a Jackal to guard the hens. In fact, various inconveniences relating to this have resulted in modifications such as the LGPL (Library General Public License) and more recently the NPL (Netscape Public License) I call these matters mere inconveniences, the real damage will occur when the Jackal's, (sorry, I mean lawye...

Copyright (C) 2000-2008 Carsten Haitzler, Geoff Harrison and various contributors Copyright (C) 2004-2008 Kim Woelders 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 and this permission notice shall be included in all copies of the Software, its documentation and marketing & publicity materials, and acknowledgment shall be giv...

Copyright (c) <year> <owner> 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 of 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. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND ...

Academy of Motion Picture Arts and Sciences BSD Variant (GPL incompatible) Copyright (c) 2006 Academy of Motion Picture Arts and Sciences ("A.M.P.A.S."). Portions contributed by others as indicated. All rights reserved. A world-wide, royalty-free, non-exclusive right to distribute, copy, modify, create derivatives, and use, in source and binary forms, is hereby granted, subject to acceptance of this license. Performance of any of the aforementioned acts indicates acceptance to be bound by the following terms and conditions: * Redistributions of source code must retain the above copyright notice, this list of conditions and the Disclaimer of Warranty. * Redistributions in binary form must reproduce the above copyright n...

skyBuilders Open Source License Draft Version 1.1 Copyright (c) 1999-2002 skyBuilders.com, Inc. 77 Huron Avenue, Cambridge, MA 02138, USA. All rights reserved. (This license itself may be modified and adapted for non-skyBuilders purposes.) skyBuilders.com, Inc. and all Contributors hereby grant a world-wide, royalty-free, non-exclusive license, subject to third party intellectual property claims, to use, reproduce, modify, display, perform, sublicense and distribute this software (or portions thereof) with or without modifications, and/or as part of a larger work. Neither the name or trademarks of skyBuilders.com nor the names or trademarks of other Contributors may be used to endorse or promote products derived from this so...

People : Open Source Enthusiasts

A collection of open source and copyleft license writers.

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