ExtJS licencing

Simon Morris mozrat at gmail.com
Thu Nov 12 07:51:56 UTC 2009


Hello,

I'm looking at ExtJS as a Javascript library for building UIs. It is
dual licenced under GPL and a commerical licence.

http://www.extjs.com/products/license.php

Doing some research I came across one blog that suggests that the
licencing model is harmful to Free Software

http://pablotron.org/?cid=1556

What is the lists opinion on this? Is ExtJS using the licence fairly and
is it considered ethical to use the library based on the blogs
criticisms?

Thanks

~sm





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