Clean license conditions

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Clean and its standard libraries are available under two different licenses:

  • The LGPL, the standard GNU Lesser General Open Source license, which is free of charge
  • A commercial license that can be obtained from M.J. Plasmeijer, preferably via email:

Note, that development under the LGPL license entails some restrictions and responsibilities. More information on the nature of the LGPL is available at and .

A commercial license has the advantage that one is not obligated to make source code available. It furthermore gives right to technical support and is highly appreciated as a sign that you appreciate our work.

Users can choose under which license they wish to operate under.

December 12, 2002.