[erlang-questions] Open source licenses, which one to choose

Benjamin Tolputt <>
Wed Apr 9 04:23:41 CEST 2008


G'day Robert (& list);

Personally, I think you should use any license you're happy with. I have 
a small political bias against GPL3 (there are some weird restrictions 
in there designed to "thwart evil-doers"), but I have no hassles 
implementing or using GPL2.

For your purposes, I would suggest the MIT license if you are just after 
credit being retained in derivatives, or MPL (Mozilla Public License) if 
you desire credit retained AND changes to remain in the open. MIT is GPL 
compatible (but can be modified without contributing back into the 
open); whereas MPL is not strictly GPL compatible (however it keeps 
changes in the open).

--Ben

Robert Virding wrote:
> Hello everyone,
>
> I will soon be releasing the next version of LFE (Lisp Flavoured 
> Erlang). With the last version I got some flak for my "license" and I 
> am now wondering which license to use? GPL seems common among other 
> Erlang projects, but how does this fit together with the normal Erlang 
> license? The Freebsd license is short enough so even I can understand 
> but is it valid. I have no interest in selling* LFE or prohibiting its 
> use, I just want to make sure I receive credit for my work and that no 
> one "steals" it in that respect. I nice courteous we are using would 
> also be nice, good for the ego.
>
> What do people think?
>
> Robert
>
> * As if anyone would buy it. :-)
>
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