# FOSS Licenses

The World of Free and OpenSource Licences is roughly divided between [copyleft](https://de.wikipedia.org/wiki/Copyleft) & permissive types.

# NGO Analysing FOSS-Licenses
- [OSI](https://opensource.org/conflict_of_interest_policy) - Open Source Initiative
- [FSF](https://www.fsf.org/) - Free Software Foundation

# Overviews
- [SPDX Lists](https://spdx.org/licenses/)
- [OSADL](https://www.osadl.org/fileadmin/checklists/all/unreflicenses.txt)
- [Wikipedia](https://en.wikipedia.org/wiki/Comparison_of_free_and_open-source_software_licenses)

# Articels
- [Choose your License](https://choosealicense.com/)
- [zenhub - Top 5](https://blog.zenhub.com/the-5-best-open-source-licenses-for-securing-your-software-rights/amp/)
- [wikipedia(de) - creative commons](https://de.wikipedia.org/wiki/Creative_Commons)
- [wikipedia(en) - cc overview](https://wikipedia.org/wiki/Creative_Commons_license#Types_of_licenses)

# Top FOSS-Licenses

## Source-Code
### GPL-3 - GNU General Public License v3
- [tldrlegal](https://tldrlegal.com/license/gnu-general-public-license-v3-(gpl-3)), [osadl](https://www.osadl.org/fileadmin/checklists/unreflicenses/GPL-3.0-or-later.txt)
- 

### LPGL-3 - GNU Lesser General Public License v3
- [tldrlegal](https://tldrlegal.com/license/gnu-lesser-general-public-license-v3-(lgpl-3)), [osadl]
- 

### AGPL-3 - GNU Affero General Public License v3
- [tldrlegal](https://tldrlegal.com/license/gnu-affero-general-public-license-v3-(agpl-3.0)), [osadl]
- 

### BSD (tbd)
- [tldrlegal], [osadl]
-

### Apache-2 - Apache License 2.0
- [tldrlegal](https://tldrlegal.com/license/apache-license-2.0-(apache-2.0)), [osadl]
- 

### MIT (Expat)
- [tldrlegal](https://tldrlegal.com/license/mit-license), [osadl](https://www.osadl.org/fileadmin/checklists/unreflicenses/MIT.txt)
- 

### SSPL - Server Side Public License
Not realy OSS by [MongoDB](https://www.mongodb.com/community/licensing), ElasticSearch. So called Anti-Cloud License.

## Content
Content-Licenses for e.g. Text, Images, Music, Video, 2D/3D/4D Arts, ...

### Creative Commons Rights
- 0 - Public Domain
- BY - Attribution
- SA - Share Alike (copyleft)
- NC - Non Commercial
- ND - No Derivative or Remix

### Creative Commons common Types
- [CC0](https://tldrlegal.com/license/creative-commons-cc0-1.0-universal)
- [CC-BY 4.0](https://tldrlegal.com/license/creative-commons-attribution-4.0-international-(cc-by-4))
- [CC-BY-SA 4.0](https://tldrlegal.com/license/creative-commons-attribution-sharealike-4.0-international-(cc-by-sa-4.0))

# Images
From Permissive to Copyleft
Spreading of License, listed by [Prototypefund](https://prototypefund.de/freie-open-source-lizenzen/)
Conten-Licenses