
1) Free computer library 2) Widget toolkit
Found on
https://www.crosswordclues.com/clue/lesstif

LessTif was a free software reimplementation or clone of the Motif computer programming toolkit, developed by the Hungry Programmers. As opposed to Motif, which was distributed until October 2012 under a proprietary license that could require the payment of royalties, LessTif was distributed under the GNU Lesser General Public License (LGPL). The ...
Found on
http://en.wikipedia.org/wiki/LessTif
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