Starting with Version 2.1, KNIME is released under the GNU General Public License, Version 3 (including certain additional permissions according to Sec. 7 of the GPL Ver. 3). It is also available - through the dual licensing model - under customized licenses. If you which to receive KNIME under a different license than the GPL, please contact us at contact@knime.org to discuss licensing arrangements.
The detailed open source license is available here!
A summary of the license follows, but please note that only the actual
terms and conditions of the GNU General Public License, Version 3, linked to
above, govern your rights to use KNIME. This summary is provided for
your convenience and you should consult your own lawyers to confirm this
interpretation.
You can download KNIME and use it (run it) without any restrictions.
You may copy and distribute KNIME unmodified, without restrictions.
If you want to change KNIME, then you should read the details of the license.
If you want to develope new nodes for KNIME, and you do this the standard way
(by extending the classes NodeModel, NodeDialog, and/or
NodeView), you can release those nodes under any license you may choose.
(The additional permissions according to Sec. 7 of the GPL clarify that these
nodes are not derivative work of KNIME and are not infected by the GPL).
KNIME is a bundle containing Eclipse Software licensed under the
Eclipse Public License (EPL) and separate KNIME plug-ins licensed
under the General Public License (GPL), Version 3 (including certain
additional permissions according to Sec. 7 of the GPL).
Please see the license notices in the source files and the LICENSE
files in the respective folders for more detailed information on the
applicable license terms.