Open source licenses are licenses that comply with the Open Source Definition – in brief, they allow software to be freely used, modified, and shared. To be approved by the Open Source …

International Non-Reusable Other/Miscellaneous Popular / Strong Community Redundant with more popular Special Purpose Superseded Uncategorized Voluntarily retired

Sep 19, 2006 · Licenses that are “popular and widely-used or with strong communities” The below list is based on publicly available statistics obtained at the time of the Report of License …

Oct 21, 2007 · When an Open Source license is not copyleft, that means software released under that license can be used as part of programs distributed under other licenses, including …

Feb 25, 2021 · As the steward of the Open Source Defintion, the Open Source Initiative has been designating licenses as “Open Source” for over 20 years. These licenses are the foundation of …

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 …

Jun 19, 2025 · The list of OSI Approved Licenses® is a critical reference point for developers, legal teams, companies, and communities around the world. The OSI Approved Licenses® …

Jan 13, 2025 · The content on this website, of which Opensource.org is the author, is licensed under a Creative Commons Attribution 4.0 International License. Opensource.org is not the …

Jul 7, 2006 · Where some form of a product is not distributed with source code, there must be a well-publicized means of obtaining the source code for no more than a reasonable …

Apr 21, 2015 · The Open Source Initiative (OSI), Open Source Definition (OSD) and OSI Approved Open Source Licenses are internationally recognized, and affirmed by the world’s …