open source licence question

[Lennart Sorensen]

On Mon, Jun 23, 2008 at 03:16:21PM -0400, bob 295 wrote:
> Does anyone know of what I would term an open source licence with a specific 
> period of exclusive use?     In otherwords changes can be used in a 
> proprietary fashion of a predetermined period (eg. 1 year) and then those 
> changes revert to a standard GPL type licence.

It sounds vaguely like what Aladdin (ghostscript) used to do.  They
released anything over a year old under the GPL, but everything new was
under their own license.  Eventually they gave up on that and went GPL
only which has nicely simplified things by merging 3 different
ghostscript branches into one which makes developement and maintainance
simpler.

-- 
Len Sorensen
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