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.

This source code has been made available to you by IBM on an AS-IS basis. Anyone receiving this source is licensed under IBM copyrights to use it in any way he or she deems fit, including copying it, modifying it, compiling it, and redistributing it either with or without modifications. No license under IBM patents or patent applications is to be implied by the copyright license. Any user of this software should understand that IBM cannot provide technical support for this software and will not be responsible for any consequences resulting from the use of this software. Any person who transfers this source code or any derivative work must include the IBM copyright notice, this paragraph, and the preceding two paragraphs in the tran...

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,...

Ruby is copyrighted free software by Yukihiro Matsumoto . You can redistribute it and/or modify it under either the terms of the 2-clause BSDL (see the file BSDL), or the conditions below: 1. You may make and give away verbatim copies of the source form of the software without restriction, provided that you duplicate all of the original copyright notices and associated disclaimers. 2. You may modify your copy of the software in any way, provided that you do at least ONE of the following: a) place your modifications in the Public Domain or otherwise make them Freely Available, such as by posting said modifications to Usenet or an equivalent medium, or by allowing the author to include your modifications in the software. ...

The GALEN Open Source License (GOSL) Version 1.0 11th October 1999 The OpenGALEN Clinical Terminology is Copyright © the University of Manchester, UK, the University of Nijmegen, NL, and their contributors. ‘Source Material’ refers to: text files containing Grail source code, GALEN Intermediate Representation dissections, GALEN Intermediate Representation configuration files, or linguistic or other mappings relating to the OpenGALEN Clinical Terminology, AND which contain the following (or substantially similar) notice: "The contents of this file are Copyright © the Universities of Manchester and Nijmegen and are covered by the GALEN Open Source License (GOSL), a copy of which should be found as pa...

Microsoft maintains two licenses that have been certified by the Open Source Initiative (OSI). Certification by the OSI means that developers can be confident that the licenses meet the terms of the Open Source Definition. This page contains the text of those licenses; developers are free to use them as they wish within their works. On this page:Microsoft Public LicenseMicrosoft Reciprocal LicenseMicrosoft Public License (Ms-P

People : Open Source Enthusiasts

A collection of open source and copyleft license writers.

Berry, Karl

Ramsey, Norman

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