Free and Open Source Software
Free and Open Source Software, also F/OSS or FOSS, is software which is liberally licensed to grant the right of users to study, change, and improve its design through the availability of its source code. F/OSS is generally synonymous with free software and open source software, and describes the same licenses, culture, and development models.
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Licenses
The most well known and popular F/OSS licenses include: GNU General Public License (GPL), GNU Lesser General Public License (LGPL), BSD license, Apache License, MIT License and Mozilla Public License.
There are a number of endorsed F/OSS definitions, and related lists of licenses. The above licenses are approved by all definitions.
F/OSS definitions and guidelines:
- Open Source Definition, from the Open Source Initiative
- Free software definition, from the Free Software Foundation
- Debian Free Software Guidelines
Lists of licenses:
Culture
The F/OSS culture and F/OSS community stem from hacker culture.