Is Graphviz a free software

Hi,
Please let me know if graphviz tool is a free software or is there any license that needs to be bought before using it.
Thanks in advance!!
Rgds,
Asha
 
 

Is Graphviz a free software

Graphviz is both free and open-source. It is covered by the open-souce  Eclipse Public License
 
http://www.graphviz.org/License.php

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