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.

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. 3. Neither the name of the copyright holder nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission. 4. Redistributions of any form whatsoever must reta...

Open Source Initiative OSI - Adaptive Public License 1.0 ADAPTIVE PUBLIC LICENSE Version 1.0 THE LICENSED WORK IS PROVIDED UNDER THE TERMS OF THIS ADAPTIVE PUBLIC LICENSE ("LICENSE"). ANY USE, REPRODUCTION OR DISTRIBUTION OF THE LICENSED WORK CONSTITUTES RECIPIENT'S ACCEPTANCE OF THIS LICENSE AND ITS TERMS, WHETHER OR NOT SUCH RECIPIENT READS THE TERMS OF THIS LICENSE. "LICENSED WORK" AND "RECIPIENT" ARE DEFINED BELOW. IMPORTANT NOTE: This License is "adaptive", and the generic version or another version of an Adaptive Public License should not be relied upon to determine your rights and obligations under this License. You must...

psfrag.dtx Copyright (C) 1996 Craig Barratt, Michael C. Grant, and David Carlisle. All rights are reserved. This system is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. Don't come complaining to us if you modify this file and it doesn't work! If this file is modified by anyone but the authors, those changes and their authors must be explicitly stated HERE.


• "The Software shall be used for Good, not Evil." (From : JSON License.)

The LaTeX Project Public License =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=- LPPL Version 1.2 1999-09-03 Copyright 1999 LaTeX3 Project Everyone is allowed to distribute verbatim copies of this license document, but modification of it is not allowed. PREAMBLE ======== The LaTeX Project Public License (LPPL) is the license under which the base LaTeX distribution is distributed. You may use this license for any program that you have written and wish to distribute. This license may be particularly suitable if your program is TeX-related (such as a LaTeX package), but you may use it even if your program is unrelated to TeX. The section `WHETHER AND HOW TO DISTRIBUTE PROGRAMS UNDER THIS LICENSE', below, gives instructions, examples, ...

People : Open Source Enthusiasts

A collection of open source and copyleft license writers.

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