The following licenses comply with the preconditions of the Free Software Definition and the Open Source Definition. They are labelled in accordance with the respective legal chacteristic as licenses without copyleft effect, licenses with strong copyleft effect, licenses with limited copyleft effect , licenses with restricted options, licenses with privileges, Other Software Licenses, Open Content Licenses and Other Licenses for fair use of Immaterial Goods. However, for some of these licenses, it is discussed controversially, whether the preconditions are fulfilled, because the relevant definitions, the Free Software Definition and the Open Source Definition, are not identical to each other and are modified by a constant developement. The respective licenses are marked as "qualification controversial".
I. Licenses without Copyleft Effect
It is characteristical for licenses without copyleft effect that they grant all rights and privileges of an Open Source license to the user and that they do not restrict the user in case of modifications with further conditions as to which license has to be used subesquently. Thus, the respective licensee may distribute modified versions of the software under a license of his choice and therfore may transform the licensed product to proprietary software.
BSD styled licenses are the original BSD license and its derivates.
b) Other Licenses without Copyleft Effect
II. Licenses with strong Copyleft Effect
Licenses have a strong copyleft effect if licensee is shall distribute the modified software only under the same license terms as the software originally acquired. This, however, does not necessarily mean that the licenses as listed listed are "GPL compatible".
b) Other Licenses with strong Copyleft Effect
III. Licenses with restricted Copyleft Effect
Licenses with limited Copyleft Effect are similar to the licenses as listed supra II., because they have a copyleft effect. Here, however, the Copyleft Effect is limited. If modifications are made in a seperate file, such file's content may be distributed under a license different from the original license, e.g. a proprietary license. This kind of licenses is designed for combining more easily software under different licenses.
b) Other Licenses with restricted Copyleft Effect
IV. Licenses with Restricted Choice
These licenses have several legal effects, depending on the scope of the respective modification. Furthermore, licensee has a restricted choice of how to distribute modifications of the software.
V. Licenses with Privileges
Licenses with privileges do grant to licensee all the rights characteristic for Free Software, but at the same time reserve special privilegs for licensor, in case licensee modifies the software. This kind of license is often used turning proprietary software into Free Software.
B. Other Software Licenses
The licenses listed below are used in the world of Free Software or seem to be Open Source Software without fulfilling the preconditions of the Free Software Definition or the Open Source Definition. Some of them are "non-profit licenses" which, other than real Open Source licenses, ban commercial distribution.
Open Content licenses aim at transferring the idea underlying Free Software upon copyrightable works other than software. There is no generally accepted definition of Open Content, and therefore these licenses are quite heterogeneous.
D. Other Licenses for Fair Use of Immaterial Goods
The following chapter, shows licenses which neither couldn´t be assumed to Free Software nor to the class of Open Content. They build an own kind of licenses in the category of immaterial goods.
E. Contributor License Agreements
Dieser Abschnitt führt Vereinbarungen auf, die eine eigene ("inbound") Lizenz enthalten. Sie verweisen ("outbound") zusätzlich auf externe Lizenztexte. Übersetzen lässt sich der Begriff als Entwicklerlizenzvereinbarung.
I. CLA mit nicht-ausschließlicher Lizenz
II. CLA mit ausschließlicher Lizenz, Assignments
Der folgende Abschnitt führt Vereinbarungen auf, die die Umstände eines Beitrags regeln. Sie enthalten keine eigene Lizenz, sondern verweisen auf externe Lizenztexte. Übersetzen lässt sich der Begriff Committer Agreement als Entwicklerrahmenvereinbarung.
a) BSDartige Lizenzen (Einordnung umstritten)
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