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 Open Software License v. 1.1 This Open Software License (the "License") applies to any original work of authorship (the "Original Work") whose owner (the "Licensor") has placed the following notice immediately following the copyright notice for the Original Work: Licensed under the Open Software License version 1.1 1) Grant of Copyright License. Licensor hereby grants You a world-wide, royalty-free, non-exclusive, perpetual, non-sublicenseable license to do the following: a) to reproduce the Original Work in copies; b) to prepare derivative works ("Derivative Works") based upon the Original Work; c) to distribute copies of the Original Work and Derivative Works to the public, with the proviso that copies of...

VOSTROM Public License for Open Source Copyright (c) 2007 VOSTROM Holdings, Inc. This VOSTROM Holdings, Inc. (VOSTROM) Distribution (code and documentation) is made available to the open source community as a public service by VOSTROM. Contact VOSTROM at license@vostrom.com for information on other licensing arrangements (e.g. for use in proprietary applications). Under this license, this Distribution may be modified and the original version and modified versions may be copied, distributed, publicly displayed and performed provided that the following conditions are met: 1. Modified versions are distributed with source code and documentation and with permission for others to use any code and documentation (whether in original or m...

SENDMAIL LICENSE The following license terms and conditions apply, unless a redistribution agreement or other license is obtained from Sendmail, Inc., 6475 Christie Ave, Third Floor, Emeryville, CA 94608, USA, or by electronic mail at license@sendmail.com. License Terms: Use, Modification and Redistribution (including distribution of any modified or derived work) in source and binary forms is permitted only if each of the following conditions is met: 1. Redistributions qualify as "freeware" or "Open Source Software" under one of the following terms: (a) Redistributions are made at no charge beyond the reasonable cost of materials and delivery. (b) Redistributions are accompanied by a copy of the Source Code...

Before we get to the text of the license, lets just review what the license says in simple terms: It allows you to: * freely download and use ImageMagick software, in whole or in part, for personal, company internal, or commercial purposes; * use ImageMagick software in packages or distributions that you create; * link against a library under a different license; * link code under a different license against a library under this license; * merge code into a work under a different license; * extend patent grants to any code using code under this license; * and extend patent protection. It forbids you to: * redistribute any piece of ImageMagick-originated software...

RECIPROCAL PUBLIC LICENSE Version 1.1, November 1, 2002 Copyright (C) 2001-2002 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, ...

People : Open Source Enthusiasts

A collection of open source and copyleft license writers.

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