Clean License Conditions
 
Clean is available under a dual license: 
1 The LGPL the standard GNU Lesser General Open Source license (see below), 
which is free, but 
available for non-commercial purposes only. 
2 A commercial license (see below) that must be purchased. Information on that 
license can be obtained 
from Prof.dr.ir. M.J. Plasmeijer, preferably via email: rinus@cs.kun.nl.

Note, that development under the LGPL license entails some restrictions and 
responsibilities. More 
information on the nature of the LGPL is available at www.gnu.org and 
www.opensource.org. 
Users can choose which they wish to operate under. However, for commercial 
applications the 
LGPL license is not available. Instead, developers wishing to distribute 
commercial applications 
(either publicly or privately) must purchase a commercial license. 

Commercial purposes are those involving money (excluding the costs for 
distributing and copying): 
for example: 
- selling software that uses directly or indirectly the source code of the Clean 
system or 
portions thereof;
- selling services based on software that uses directly or indirectly the source 
code of the 
Clean system, or portions thereof;
- using software that uses directly or indirectly the source code of the Clean 
system, or 
portions thereof, to examine, manage, measure or report the performance of a 
business.

Warning
Developers who distribute commercial applications, either publicly or privately, 
that are written using 
the Clean system, who do not have a commercial license are in breach of these 
license conditions 
and of US and International copyright law. The penalties for such breaches are 
quite severe, and 
offenders will be persecuted. 

Note
For a few parts of the Clean system the sources are not available yet. In 
particular, this concerns the 
run-time system and the alpha release of Sparkle. It is the intention that for 
these parts the sources 
will be available soon under these license conditions. For the time being, these 
parts of the Clean 
system are available under the old Clean license conditions (see below) only.

December 21, 2001.

OLD Clean License Conditions
============================

The Concurrent Clean Compiler and the Concurrent Clean Program
Development System are developed by the Research Group on Functional
Programming Languages at the University of Nijmegen (copyright
University of Nijmegen, Hilt High Level Software Tools B.V. , 1987-2000).

The Clean Software can be used free of charge only if it is used for
non-profit purposes in a non-commercial environment, i.e. for
educational or research purposes in a non-profit institute or for
personal, non-commercial use. For this kind of use it is allowed to
copy the software under the condition that the complete distribution
(see the Clean Distribution page) for a certain platform is copied,
including this license condition, copyright notice, language manual,
help file, the compiler, the code generator and the development system.
Under the same conditions it is allowed to re-distribute the system. We
appreciate it very much if you would inform us when you copy or
redistribute the system.

For ANY use of Clean with a commercial purpose or in a commercial
environment a commercial license is needed.

For a commercial license one has to contact Rinus Plasmeijer either via
the registration form

    http://www.cs.kun.nl/~clean/Clean.Registration.html

or via e-mail

    mailto:rinus@cs.kun.nl

or

    Department of Computer Science
    University of Nijmegen
    Toernooiveld 1
    6525 ED  Nijmegen
    tel: +31 80 652644
    fax: +31 80 652525.


The Clean Software is distributed via ftp:

    ftp://ftp.cs.kun.nl/pub/Clean
    
More information about Clean is also available on the World Wide Web:

    http://www.cs.kun.nl/~clean

Versions of Concurrent Clean are available for several platforms. 


GNU LGPL License full text:
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Clean Commercial License Full Text
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IN THE SOFTWARE WILL BE CORRECTED. FURTHERMORE, THE MANUFACTURER DOES NOT 
WARRANT OR MAKE ANY REPRESENTATIONS REGARDING THE USE OR THE RESULTS OF THE USE 
OF THE SOFTWARE OR RELATED DOCUMENTATION IN TERMS OF THEIR CORRECTNESS, 
ACCURACY, RELIABILITY, OR OTHERWISE. NO ORAL OR WRITTEN INFORMATION OR ADVICE 
GIVEN BY THE MANUFACTURER OR ONE OF ITS AUTHORIZED REPRESENTATIVES SHALL CREATE 
A WARRANTY OR IN ANY WAY INCREASE THE SCOPE OF THIS WARRANTY. SHOULD THE 
SOFTWARE PROVE DEFECTIVE, YOU (AND NOT THE MANUFACTURER OR ANY ONE OF ITS 
AUTHORIZED REPRESENTATIVE) ASSUME THE ENTIRE COST OF ALL NECESSARY SERVICING, 
REPAIR OR CORRECTION. SOME JURISDICTIONS DO NOT ALLOW THE EXCLUSION OF IMPLIED 
WARRANTIES, SO THE ABOVE EXCLUSION MAY NOT APPLY TO YOU.

8. Limitation of Liability.

UNDER NO CIRCUMSTANCES INCLUDING NEGLIGENCE, SHALL THE MANUFACTURER BE LIABLE 
FOR ANY INCIDENTAL, SPECIAL OR CONSEQUENTIAL DAMAGES THAT RESULT FROM THE USE OR 
INABILITY TO USE THE SOFTWARE OR RELATED DOCUMENTATION, EVEN IF THE MANUFACTURER 
OR A BY THE MANUFACTURER AUTHORIZED REPRESENTATIVE HAS BEEN ADVISED OF THE 
POSSIBILITY OF SUCH DAMAGES. In no event shall the MANUFACTURERs' total 
liability to you for all damages, losses, and causes of action (whether in 
contract, tort (including negligence) or otherwise) exceed that portion of the 
amount paid by you which is fairly attributable to the SOFTWARE.

9. Controlling Law and Severability.

This License shall be governed by and construed in accordance with the laws of 
the Netherlands, as applied to agreements entered into and to be performed 
entirely within the Netherlands between Dutch residents. If for any reason a 
court of competent jurisdiction finds any provision of this License, or portion 
thereof, to be unenforceable, that provision of the License shall be enforced to 
the maximum extent permissible so as to effect the intent of the parties, and 
the remainder of this License shall continue in full force and effect.

10. Complete Agreement.

This License constitutes the entire agreement between the parties with respect 
to the use of the SOFTWARE, the related documentation and supersedes all prior 
or contemporaneous understandings or agreements, written or oral, regarding such 
subject matter. No amendment to or modification of this License will be binding 
unless in writing and signed by a duly authorized representative of the 
MANUFACTURER.




