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From Richard Fontana <rfont...@redhat.com>
Subject Re: [jira] [Created] (LEGAL-138) Can the extjs javascript library be used? If so, in what capacity?
Date Mon, 18 Jun 2012 19:11:19 GMT
On Mon, Jun 18, 2012 at 06:59:43PM +0000, Dan Haywood (JIRA) wrote:

[...]

> The ExtJS library itself (the widgets and so forth) are licensed under GPLv3, obviously
not compatible with ASLv2.  HOWEVER, the authors of ExtJS have provided two exceptions [2],
[3], the intention being that derivative applications and development use can be licensed
under ASLv2.
> 
> Are these license exceptions sufficient for Apache?

FWIW at Red Hat we determined these license exceptions were so badly
drafted (assuming no ill-intent) that they could not or should not be
relied upon to be effective. I am not sure if the exceptions have been
revised since we last looked at them.

The earlier history of ExtJS, which I was led to understand included
tacking anti-commercial use restrictions on top of the GPL and some
threats against forking projects, ought to be borne in mind.

- Richard


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